CN108380864A - Mixed powder for powder metallurgy - Google Patents
Mixed powder for powder metallurgy Download PDFInfo
- Publication number
- CN108380864A CN108380864A CN201711403201.6A CN201711403201A CN108380864A CN 108380864 A CN108380864 A CN 108380864A CN 201711403201 A CN201711403201 A CN 201711403201A CN 108380864 A CN108380864 A CN 108380864A
- Authority
- CN
- China
- Prior art keywords
- powder
- mixed
- lubricant
- mass
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention provides a kind of mixed powder for powder metallurgy, is that mobility is excellent, the low mixed powder for powder metallurgy of airborne dust, has high density by the formed body that the mixed-powder shapes, and the formed body can be pulled easily out from mold.The mixed powder for powder metallurgy of one aspect of the present invention, it is characterized in that, it is the mixed powder for powder metallurgy containing iron-based powder, auxiliary material and lubricant, the lubricant is comprising the fluid lubricant containing organometallic components and the multicomponent base lubricant with polar at least one Ashless type anti-friction agent.
Description
Technical field
The present invention relates to the mixed powder for powder metallurgy containing iron-based powder, auxiliary material and lubricant.
Background technology
All the time, it is known to use the powder metallurgic method of iron-based powder manufacture sintered body.Powder metallurgic method generally has
Following process：Mix the mixed processes of iron-based powder and auxiliary material etc.；It will be mixed by the powder used in metallurgy being mixed to get
Powder carries out the compression section of dies compress；With press-powder formed body (the hereinafter referred to as formed body) as obtained from the compression
It is sintered and makes the sintering circuit of sintered body in the fusing point of above-mentioned iron-based powder temperature below.
In addition, in above-mentioned mixed processes, it is known that general addition kollag or fluid lubricant.Wherein, as solid
Body lubricant, it is known to which vinyl bis-stearamides and zinc stearate etc., kollag adds for the following purposes, that is,
When extracting the formed body shaped via above-mentioned compression section from mold, the frictional resistance of mold wall surface and formed body is made to subtract
It is small, formed body can be extracted from mold with low withdrawal force, and improve the mobility of above-mentioned mixed powder for powder metallurgy.
On the other hand, fluid lubricant is added to realize further increasing for Powder Physical.For example, in patent
It is that the organic system fluid lubricant and kollag of oleic acid, bobbin oil, turbine oil etc. are used in combination in document 1.In addition,
In patent document 2 and patent document 3, in order to make powder characteristics improve, and adds and contain polybasic unsaturated fatty acid and polyalcohol
Deng ester drying oil (fluid lubricant) and drier, or addition with particular range viscosity drying oil.
【Existing technical literature】
【Patent document】
【Patent document 1】Japanese Unexamined Patent Publication 2007-2340 bulletins
【Patent document 2】Japanese Unexamined Patent Application Publication 2008-533298 bulletins
【Patent document 3】Japanese Unexamined Patent Application Publication 2008-503653 bulletins
In recent years, with the lightweight of automobile, the slimming lightweight of sintered part(s) (especially iron system sintered part(s))
It promotes.But if carrying out slimming lightweight, the strength reduction of sintered part(s).Therefore, in order not to allowing the strong of sintered part(s)
Degree reduces, it is desirable to more highdensity formed body.In addition, also requiring formed body excellent from the extraction in mold.Another party
Face also requires mobility excellent the mixed powder for powder metallurgy of raw material, reduces airborne dust.However, one will appreciate that using patent
Fluid lubricant described in document 1~3, still cannot get that mobility is excellent, the low mixed powder for powder metallurgy of airborne dust, i.e.,
There cannot be high density by the formed body that the mixed-powder shapes, and can easily extract the formed body from mold
Mixed powder for powder metallurgy.
Invention content
The present invention is done in view of above-mentioned such situation, it is intended that a kind of mixed powder for powder metallurgy is provided,
Excellent for mobility, the low mixed powder for powder metallurgy of airborne dust has high density by the formed body that the mixed-powder shapes
(hereinafter referred to as high-compressibility), and the formed body can be pulled easily out (hereinafter, claiming low extraction pressure) from mold.
In addition, in the practical progradation for playing high-compressibility and the low mixed powder for powder metallurgy for extracting pressure
In, automobile sintered component needs to shape under high surface pressing from thin-wall light-weighted trend.In general, being pressed on high surface
Under power, if extracting pressure without lower, to being sintered the surface damage of material and significantly being presented to damage of die surface etc..Cause
This, it is desirable that the high-compressibility under higher surface pressing and low extraction pressure.Therefore, the object of the present invention is to provide one kind
The mixed powder for powder metallurgy that the two characteristics can exist side by side.
Present inventors found that by making lubricant used in the mixed processes of powder metallurgic method, become containing organic
The fluid lubricant of metal component and multicomponent base lubricant with polar at least one Ashless type anti-friction agent, then can
Solve the above subject.
That is, the mixed powder for powder metallurgy of one aspect of the present invention, which is characterized in that be to contain iron-based powder, auxiliary
It is multicomponent base lubricant to help the mixed powder for powder metallurgy of raw material and lubricant, the lubricant, and it includes containing organic
The fluid lubricant of metal component and with polar at least one Ashless type anti-friction agent.
In above-mentioned mixed powder for powder metallurgy, the preferably described fluid lubricant containing organometallic components includes
It is selected from salicylic acid metal salt, metal organic sulfonate, metal phenates, metal thiocarbamates salt and D2EHDTPA metal salt
It is at least one.
Furthermore it is preferred that the organometallic components are at least one selected from alkali metal, alkaline-earth metal, molybdenum and zinc.
In addition, in above-mentioned mixed powder for powder metallurgy, the preferably described Ashless type anti-friction agent contains from ester type, ether
At least one of Ashless type anti-friction agent selected in type, amine type, ethylene glycol type, phosphate type.
In addition, in above-mentioned mixed powder for powder metallurgy, preferably with respect to 100 mass parts of above-mentioned iron-based powder, institute
It includes 0.01 mass parts or more and 1 below mass part to state multicomponent base lubricant.
It is preferred that the ratio of the Ashless type anti-friction agent in the multicomponent base lubricant is 1~35 mass %.
In the mixed powder for powder metallurgy of the present invention, because comprising the fluid lubricant containing organometallic components,
So being high density by the formed body that the mixed-powder shapes, can be pulled easily out from mold.In addition, formed body at
In shape process, mobility is excellent, can reduce airborne dust.
Description of the drawings
Fig. 1 is that the graphite used in embodiment disperses the sectional view of rate measurement instrument.
【The explanation of symbol】
1 new millipore filter
2 funnel-form glass tubes
P sample powder
Specific implementation mode
One big feature of the mixed powder for powder metallurgy (hereinafter simply referred to as mixed-powder) of the present invention, is containing iron-based
Powder, auxiliary material and lubricant, above-mentioned lubricant are the fluid lubricants containing organometallic components.On the other hand it is found that
Although the above-mentioned fluid lubricant containing metal component can obtain high-compressibility, also it is unable to fully obtain low extraction pressure
Power.Therefore, another important feature of the invention is, by that will have polar Ashless type anti-friction agent to be added to containing gold
In the fluid lubricant for belonging to ingredient, discovery can make high-compressibility and low extraction pressure exist side by side.
That is, the mixed powder for powder metallurgy of one aspect of the present invention, which is characterized in that be to contain iron-based powder, auxiliary
Help the mixed powder for powder metallurgy of raw material and lubricant, the lubricant be include the liquid profit containing organometallic components
Lubrication prescription and multicomponent base lubricant with polar at least one Ashless type anti-friction agent.In addition, the powder used in metallurgy of the present invention
Mixed-powder is made of iron-based powder, auxiliary material and lubricant, the lubricant preferably include contain organic metal at
The fluid lubricant divided and the multicomponent base lubricant with polar at least one Ashless type anti-friction agent.Hereinafter, for this hair
Bright embodiment illustrates, but the present invention is not so limited.
＜ iron-based powders ＞
In the present embodiment, so-called iron-based powder is the raw material powder using iron as principal component, is the main of mixed-powder
Raw material.Iron-based powder can be any one of straight iron powder, iron alloy powder.So-called iron alloy powder refers in straight iron powder, to change
Actively it is added with copper, nickel for the purpose of the characteristic of kind sintered body, chromium, molybdenum, alloyed powder made of the element of sulphur etc..In addition, iron closes
Bronze can also be to be attached with copper, nickel, chromium in the diffusion into the surface of iron-based powder, alloy part powder made of the alloyed powder of molybdenum etc.,
Can also be the prealloy powder obtained by the molten iron containing alloying component or molten steel.Iron-based powder is typically by for melting
Iron or steel carry out dusting processing and manufacture.In addition, iron-based powder can also be iron ore and mill tap are restored and
The reduced iron powder of manufacture.
The average grain diameter of iron-based powder is not particularly limited, and can be as ruler used in powder used in metallurgy main material powder
It is very little.For example, average grain diameter is 40 μm or more and 120 μm or less.The average grain diameter of metal powder is the powder smelting of calculation basis Japan
Under accumulation when " the screen analysis test method of metal powder " that metal working industry meeting standard JPMAP02-1992 is recorded measures size distribution is sieved
Obtained from the grain size of amount 50%.
＜ auxiliary materials ＞
Above-mentioned auxiliary material can be according to expected physical property and suitable for selection, in the limit for the effect for not hindering the present invention
Under, it can be arbitrarily decided according to the various characteristics required by end article.
As auxiliary material, such as the metal powder that aftermentioned copper, nickel, chromium, molybdenum can be enumerated etc.；Phosphorus, sulphur, graphite or vulcanization
The inorganic powder etc. of manganese, talcum, calcirm-fluoride etc..They individually contain or containing it is two or more can.It is preferred that auxiliary material is excellent
Choosing contains inorganic powder, further preferably powdered graphite.In addition, auxiliary material can also be by metal powder and inorganic powder together
It uses, preferably comprises metal powder and powdered graphite, further preferably copper powders and powdered graphite.
Such auxiliary material preferably adds up to 10 mass parts relative to 100 mass parts of iron-based powder as main material
Hereinafter, more preferably 5 is below mass part, further preferably 3 is below mass part.If being higher than 10 mass parts, by powder metallurgy
The density (hereinafter referred to as shaping volume density) of the formed body shaped with mixed-powder reduces, as a result, being likely to occur sintering
The adverse effect of the strength reduction of body etc..On the other hand, lower limit is not particularly limited, for example, it is also possible to be more than 1 mass parts.
For example, auxiliary material is preferably able to contain in following ranges.In addition, following ranges is entirely relative to iron-based
The content of 100 mass parts of powder.
Copper：More than 0.1 mass parts and 10 is below mass part, and more than more preferably 1 mass parts and 4 is below mass part
Graphite：More than 0.1 mass parts and 3 is below mass part, and more than more preferably 0.2 mass parts and 1 is below mass part
Nickel：More than 0.1 mass parts and 10 is below mass part, and more than more preferably 0.5 mass parts and 4 is below mass part
Chromium：More than 0.1 mass parts and 8 is below mass part, and more than more preferably 0.2 mass parts and 5 is below mass part
Molybdenum：More than 0.1 mass parts and 5 is below mass part, and more than more preferably 0.2 mass parts and 3 is below mass part
Phosphorus：More than 0.01 mass parts and 3 is below mass part, and more than more preferably 0.05 mass parts and 1 is below mass part
Sulphur：More than 0.01 mass parts and 2 is below mass part, and more than more preferably 0.03 mass parts and 1 is below mass part
Manganese sulfide：More than 0.05 mass parts and 3 is below mass part, and more than more preferably 0.1 mass parts and 1 is below mass part
Talcum：More than 0.05 mass parts and 3 is below mass part, and more than more preferably 0.1 mass parts and 1 is below mass part
Calcirm-fluoride：More than 0.05 mass parts and 3 is below mass part, and more than more preferably 0.1 mass parts and 1 is below mass part
＜ multicomponent base lubricants ＞
In the present embodiment, it is important that use the multicomponent base lubricant for containing following ingredient as lubricant：I.e.
Fluid lubricant containing organometallic components；With with polar at least one Ashless type anti-friction agent.
＜ contains the fluid lubricant ＞ of organometallic components
It is illustrated firstly, for the fluid lubricant containing organometallic components.Using containing organometallic components
When fluid lubricant, because there are organometallic components at the interface of each powder of mixed-powder, it can improve adjacent
Lubricity between powder.Therefore, the gap of the inside of formed body also tails off, and forming volume density is got higher.Formed body high density,
That is the gap of the inside of formed body is fewer, and the intensity of the sintered body obtained by the formed body is higher.On the other hand, if using being free of
The fluid lubricant of organometallic components, then the lubricity between adjacent powder is insufficient, therefore can't improve enough formed body
Density.
In addition, the powder used as auxiliary material, most proportion are smaller than the iron-based powder as main material, and grain
Diameter is also small, therefore is likely to occur airborne dust in the forming process of formed body as above-mentioned mixed processes, above-mentioned compression section.
But by using containing the fluid lubricant for there are organometallic components, the lubricity between adjacent powder can be improved, therefore
The mobility of mixed-powder is high, and the airborne dust in above-mentioned mixed processes, above-mentioned compression section reduces in addition, that is, auxiliary material pair
The adhesive force of iron-based powder is high.
In addition, the formed body of the mixed-powder forming containing lubricant used in the present invention, using die forming, but
Because the lubricity of the metal wall surface of powder and mold is also high, the frictional resistance of formed body and mold wall surface reduces, so can
Formed body is easily extracted from mold.
On the other hand, it is known that when making formed body with high forming pressure, the pressure of wall surface and formed body is high, is present in mold
The fluid lubricant on surface occurs film and is crushed, and organometallic components cannot give full play to work(by from powder and die surface removing
Can, it extracts pressure and deteriorates.It is therefore important that being added in fluid lubricant aftermentioned with polar Ashless type antifriction
Agent.That is, the functional group that the Ashless type anti-friction agent possesses makes fluid lubricant improve the adsorptivity of mold wall surface, even if in high pressure
Under contracting, it is broken that film will not occur for fluid lubricant, it is believed that can play low extraction pressure.
In the present embodiment, it so-called " containing organometallic components ", means containing carbon atom and metallic atom.As
The organometallic components for including in fluid lubricant preferably comprise at least one of alkali metal, alkaline-earth metal and transition metal,
In further preferably at least one of alkali metal, alkaline-earth metal, molybdenum and zinc, further preferably alkaline-earth metal, molybdenum and zinc
At least one, most preferably at least one of calcium, barium, molybdenum and zinc.By containing such organometallic components, have
Following advantage：Rolling effect is played when compression, promotes the friction between powder to reduce, compressibility is brought to improve.
Additionally, it is preferred that fluid lubricant contains fluid lubricant and the hydrodynamic lubrication of sulfur atom-containing of the acid metal salt containing bigcatkin willow
At least one of agent, further preferably salicylic acid metal salt, metal organic sulfonate, metal phenates, metal thiocarbamates salt
At least one of with D2EHDTPA metal salt.Particularly preferably contain calcium salicylate, in sulfoacid calcium and thiocarbamic acid molybdenum
It is at least one.Calcium salicylate and sulfoacid calcium are easily adsorbed at powder, if in addition, using thiocarbamic acid molybdenum, in powder table
Face is formed about MoS2Lubricating film, if therefore using such fluid lubricant, the lubricity between adjacent powder is more held
It easily improves, powder is easy permutatation.Therefore, the gap of the inside of formed body becomes less, and it is close can to further increase formed body
Degree.
(salicylic acid metal salt)
Salicylic acid metal salt preferably comprises alkaline earth metal salicylates, further preferably in calcium salicylate and barium salicylate
At least one.About alkaline earth metal salicylates, it can be mentioned, for example alkali salts of alkyl salicylate etc..Salicylic acid metal salt
A kind of salicylic acid metal salt can be only used, two or more salicylic acid metal salt can also be applied in combination.
In alkaline earth metal salicylates, the content of alkaline-earth metal is preferably 1~30 mass %, more preferably 3~25 matter
Measure %, further preferably 5~20 mass %, particularly preferably 10~15 mass %.
Alkaline earth metal salicylates can use commercial goods, for example, Infineum societies M7125 (salicylic acids can be enumerated
Calcium, Ca contents are 12.5 mass %) etc..
(metal organic sulfonate)
Metal organic sulfonate preferably comprises sulfonic acid alkali salt, and at least one further preferably in sulfoacid calcium and barium sulfonate
Person.About sulfonic acid alkali salt, it can be mentioned, for example alkylbenzenes or alkylnaphthalene via alkyl benzene sulphonate obtained from sulfonation or alkane
The alkali salt etc. of base naphthalene sulfonic acids.Metal organic sulfonate can only use a kind of metal organic sulfonate, can also be applied in combination two kinds
Above metal organic sulfonate.
In sulfonic acid alkali salt, the content of alkaline-earth metal is preferably 1~30 mass %, more preferably 3~25 mass %,
Further preferably 5~20 mass %.
Sulfoacid calcium can use commercial goods, for example, ラ Application Network セ ス society ADDITIN (registered trademark) can be enumerated
RC4242 (Ca contents：16 mass %), MORESCO societies モ レ ス Us ア ン バ ー (registered trademark) SC45 (Ca contents：2.7
Quality %) etc..In addition, barium sulfonate can also use commercial goods, for example, ラ Application Network セ ス society ADDITIN (registrations can be enumerated
Trade mark) RC4103 (Ba contents：8 mass %), (Ba contains MORESCO societies モ レ ス Us ア ン バ ー (registered trademark) SB50N
Amount：6.8 mass %) etc..
(metal phenates)
The preferred alkaline earth phenate of metal phenates, further preferably at least one of calcium phenoxide and barium phenolate.About alkali
Earth metal phenates, it can be mentioned, for example alkyl phenol or the alkali salts etc. of alkylphenol sulfide.Metal phenates can only use one
Kind metal phenates, can also be applied in combination two or more metal phenates.
In alkaline earth phenate, the content of alkaline-earth metal is preferably 1~30 mass %, more preferably 3~25 mass %, into
One step is preferably 5~20 mass %.
Metal phenates can also use commercial goods, for example, Lubrizol societies Lubrizol6499 can be enumerated, (Ca contains
Amount：9.2 mass %, S contents：3.25 mass %), Lubrizol6500 (Ca contents：7.2 mass %, S contents：2.6 mass %)
Deng.
(metal thiocarbamates salt)
Metal thiocarbamates salt is preferably indicated by following formula (1).
[R1R2N-CS-S-]aMa (1)
In formula (1), R1And R2May be the same or different, indicate hydrogen atom, the alkyl of carbon number 1~22, alkenyl or
The aryl of carbon number 6~22.Wherein, R1 and R2It is asynchronously hydrogen atom.MaIndicate molybdenum, zinc, antimony, copper, nickel, silver, cobalt, lead, tellurium, sodium,
Methylene or ethylidene.A indicates MaValence mumber.
Metal thiocarbamates salt (metal thiocarbamates), for example, thiocarbamic acid molybdenum can be enumerated
(MoDTC), zinc thiocarbamate (ZnDTC), thiocarbamic acid antimony (SbDTC), thiocarbamic acid copper (CuDTC), sulphur
For carbamic acid nickel (NiDTC), thiocarbamic acid silver-colored (AgDTC), thiocarbamic acid cobalt (CoDTC), thiocarbamic acid
Lead (PbDTC), thiocarbamic acid tellurium (TeDTC), nabam (NaDTC) etc., but preferably sulfo-amino first
Sour molybdenum (MoDTC), zinc thiocarbamate (ZnDTC), thiocarbamic acid copper (CuDTC), more preferable thiocarbamic acid molybdenum
(MoDTC).Metal thiocarbamates salt can only use a kind of metal thiocarbamates salt, can also be applied in combination two kinds
Above metal thiocarbamates salt.
MoDTC can also use commercial goods, for example, ADEKA societies サ Network ラ ル ー Block (registered trademark) 200 can be enumerated
(Mo contents：4.1 mass %, S contents：4.6 mass %), サ Network ラ ル ー Block (registered trademark) 165 (Mo contents：4.5 matter
Measure %, S contents：5.0 mass %), サ Network ラ ル ー Block (registered trademark) 525 (Mo contents：10 mass %, S contents：11 matter
Measure %) etc..
The preferred molybdenum contents of MoDTC are 1~20 mass %, more preferably 3~15 mass %, further preferably 7~12 matter
Measure %.In addition, the preferred sulfur contents of MoDTC are 1~20 mass %, more preferably 3~15 mass %, further preferably 7~12
Quality %.
(D2EHDTPA metal salt)
D2EHDTPA metal salt is preferably to be enumerated by following formula (2).
[(R3O)(R4O)-PS-S]b Mb (2)
In formula (2), R3And R4Indicate the alkyl or alkenyl of hydrogen atom, carbon number 1~22 with can be the same or different.
Wherein, R3And R4It is asynchronously hydrogen atom.MbIndicate zinc, molybdenum or antimony.B indicates MbValence mumber.
In addition, D2EHDTPA metal salt (phosphoric sulfide acid metal salt), for example, zinc dithiophosphate (ZnDTP), two can be enumerated
D2EHDTPA molybdenum (MoDTP), phosphordithiic acid antimony (SbDTP) etc., but preferably zinc dithiophosphate (ZnDTP), more preferable two
Alkyl zinc dithiophosphate.D2EHDTPA metal salt can only use a kind of D2EHDTPA metal salt, can also be applied in combination two
Kind or more D2EHDTPA metal salt.
ZnDTP can also use commercial goods, for example, ADEKA societies ア デ カ キ ク ル ー Block (registrars can be enumerated
Mark) Z-112 (Zn contents：7 mass %, S contents：14 mass %) etc..
In ZnDTP, Zn content is preferably 1~20 mass %, more preferably 3~15 mass %, and further preferably 5~10
Quality %.In addition, in ZnDTP, sulfur content is preferably 1~25 mass %, more preferably 5~20 mass %, further preferably
10~15 mass %.
In addition, above-mentioned salicylic acid metal salt, metal organic sulfonate, metal phenates, metal thiocarbamates salt and thio
The manufacturing method of phosphate metal salt is not particularly limited, and can use well known manufacturing method etc..
＜ Ashless type anti-friction agents ＞
The multicomponent base lubricant of present embodiment, other than the above-mentioned fluid lubricant containing organometallic components,
Also include that there is polar at least one Ashless type anti-friction agent.
As the Ashless type anti-friction agent of present embodiment, as long as with polarity and it is metal-free, with lower rub
The fluid lubricant of property, then be not particularly limited and can use.
More specifically, for example, the Ashless type anti-friction agent of present embodiment, preferably from ester type, ether type, amine type, glycol
At least one Ashless type anti-friction agent selected among type, phosphate type.In other words, it is however preferred to have ester group, ether, amido, two
At least one Ashless type anti-friction agent of the functional group of alcohol radical, phosphate-based etc..Such functional group makes fluid lubricant to mold
The adsorptivity of wall surface improves, even if under high compression, it is broken that film will not occur for fluid lubricant, it is believed that can play low extraction
Pressure.
As the Ashless type anti-friction agent of present embodiment, can also then can for example, if it is ester type using commercial goods
Enough using ADEKA societies キ ク ル ー Block FM-210, if it is ether type, then ADEKA societies キ ク ル ー Block FM- can be used
618C can then use ADEKA societies キ ク ル ー Block FM -812 that can then be used if it is diol type if it is amine type
ADEKA societies キ ク ル ー Block FMD-410 can then use ADEKA societies エ U ロ イ ヤ Le etc. if it is phosphate.It
Can be used alone, but also can and with two or more.
The content ＞ of ＜ multicomponent base lubricants
In the present embodiment, the content of multicomponent base lubricant, relative to 100 mass parts of iron-based powder, preferably
More than 0.01 mass parts and 1 is below mass part, and more than more preferably 0.1 mass parts and 0.8 is below mass part, further preferably
More than 0.3 mass parts and 0.7 is below mass part.When less than 0.01 mass parts, it is possible to cannot get sufficient mobility, if being higher than
1 mass parts, then lubricant is excessive, and it is therefore possible to cannot get highdensity formed body.
In addition, the lower limiting value of the blending amount (ratio) of the Ashless type anti-friction agent in the multicomponent base lubricant, leads to
Often relative to the left and right multicomponent base lubricant generally 1 mass % or more, preferably 2 mass % or more, more preferably 5 mass %
More than.In addition, same upper limit value, usually relative to multicomponent base lubricant generally 35 mass % hereinafter, preferably 30 matter
% is measured hereinafter, more preferably 10 mass % or less.The blending amount of Ashless type anti-friction agent is 1 mass % or more, then adsorptivity improves.
On the other hand, about upper limit value be 35 mass % hereinafter, then cause compressibility improve effect reduce.
The production method ＞ of ＜ mixed powder for powder metallurgy, formed body and sintered body
Next, the method that explanation makes mixed powder for powder metallurgy, formed body and sintered body using above-mentioned ingredient.
In the production method of the mixed powder for powder metallurgy of the present invention, by adding in the iron-based powder for being used as main material
Enter auxiliary material and above-mentioned defined multicomponent base lubricant is obtained by mixing.Mixed method is not particularly limited, and can be adopted
With well known various mixed methods.For example, it is preferable to use blender, homogenizer, Nauta mixer, V-Mixer, bipyramid
The mixing arrangement of body blender etc. is stirred mixing.
Mixing condition is not particularly limited, according to all conditions of device and production scale etc., with the condition of existing use.
About mixing condition, for example, when using mixing machine with blade, preferably the rotating speed of blade is controlled in about 2m/s or more and
Peripheral speed in the range of 10m/s or less, stir about 0.5 minute or more and 20 minutes or less.In addition, using V-Mixer
When with double cone mixer, preferably mixed 1 minute or more and 60 minutes or less in 2rpm or more and 50rpm or less.
Mixing temperature is not particularly limited, for example, 40 DEG C or more and 60 DEG C or less.From the simplicity of heating equipment,
It is preferred that reaching 60 DEG C or less in advance.It is mixed with such condition, the powder smelting that various raw material powders are uniformly mixed can be obtained
Gold mixed-powder.
Then, using above-mentioned mixed-powder, by using the common pressing/molding method of powder compression molding machine
Obtain formed body.Specific molding condition is according to type, the shape of additive amount and formed body of the ingredient for constituting mixed-powder, greatly
25 DEG C or more on body, 150 DEG C of forming temperatures below, forming pressure etc. it is different and different, therefore be not particularly limited.Example
Such as, after the mixed powder for powder metallurgy of the present invention being filled into mold, by applying 490MPa or more, 686MPa or less
Pressure, formed body can be shaped.
Finally, using above-mentioned formed body, sintered body is obtained by common sintering method.Specific sintering condition, according to
The type of ingredient, additive amount and the type of end article etc. for constituting formed body are Bu Tong also different, but for example, it is preferable to
N2、N2- H2Or under the atmosphere of hydrocarbon etc., carried out 5 minutes with 1000 DEG C or more, 1300 DEG C of temperature below or more, 60 minutes or less
Sintering.
＜ shapes volume density ＞
For 100 mass parts of iron-based powder, 2.0 mass parts of blending copper powders, 0.8 mass parts of powdered graphite and lubricant
0.5 part, using the obtained mixed-powder as raw material, theoretical density when shaping formed body (is assumed to be in formed body completely
Forming volume density when not having gap) it is about 7.81g/cm3.When using existing method, forming volume density is with 7.35g/cm3It is left
The right side is the upper limit, but due to making lubricant be the fluid lubricant containing organometallic components, so can reach 7.40g/cm3With
On density.It is presumed as follows as its reason, fluid lubricant used in the present invention, if with the existing lubricant phase used
Than being then easier to extend and fully cover the surface of iron powder between powder, therefore make in the compression section of powder between powder
Friction be effectively reduced.It is preferred that forming volume density is 7.45g/cm3.In addition, the specific manufacturing process about formed body exists
It is illustrated in aftermentioned embodiment.
The technology of this specification various modes for example disclosed above, summarizes wherein main technology below.
One embodiment of the present invention mixed powder for powder metallurgy, which is characterized in that be former containing iron-based powder, auxiliary
Material and lubricant mixed powder for powder metallurgy, the lubricant be comprising the fluid lubricant containing organometallic components,
With the multicomponent base lubricant with polar at least one Ashless type anti-friction agent.By such composition, it is capable of providing flowing
Property excellent, the low mixed powder for powder metallurgy of airborne dust, the formed body shaped by the mixed-powder has high density, and should
Formed body easily can extract (having low extraction) from mold.
In above-mentioned mixed powder for powder metallurgy, the fluid lubricant containing organometallic components preferably comprises
It is selected from salicylic acid metal salt, metal organic sulfonate, metal phenates, metal thiocarbamates salt and D2EHDTPA metal salt
It is at least one.It is thus regarded that forming volume density can be improved more reliably.
In addition, the organometallic components are preferably at least one selected from alkali metal, alkaline-earth metal, molybdenum and zinc.
Have the advantages that metal component can be stabilized in fluid lubricant as a result,.
In addition, in above-mentioned mixed powder for powder metallurgy, the preferably described Ashless type anti-friction agent contains from ester type, ether
At least one of Ashless type anti-friction agent selected in type, amine type, ethylene glycol type, phosphate type.It is thus regarded that can more really
Ground plays low extraction pressure.
In addition, in above-mentioned mixed powder for powder metallurgy, preferably with respect to 100 mass parts of above-mentioned iron-based powder, packet
Containing the multicomponent base lubricant be 0.01 mass parts or more and 1 is below mass part.It is thus regarded that can more reliably obtain
State effect.
The ratio of the Ashless type anti-friction agent in the multicomponent base lubricant is preferably 1~35 mass %.Thus recognize
Can more reliably to obtain said effect.
【Embodiment】
It is exemplified below embodiment and further illustrates the present invention, but the present invention is not by any restriction of following embodiments.Separately
Outside, being used in embodiment evaluation method is as follows.
(1) mobility
JIS Z2502 (the slump test method of metal powder) are followed, the mixed powder of aftermentioned embodiment and comparative example is measured
The mobility of the discharge orifice of end (hereinafter referred merely to as mixed-powder) 50g outflow φ 2.63mm, is evaluated by following standards.
A：It does not lump and flows
B：Caking occurs not flow
(2) graphite adhesion (adhesive force of the graphite to iron-based powder)
According to the quantity of graphite of the mixed-powder before and after the circulation of factory's dry air, measures graphite and disperse rate, evaluating graphite
Adhesion.The internal diameter for being equipped with the membrane filter 1 for compiling 10 μm of hole shown in Fig. 1 is 16mm, is highly the funnel of 106mm
It is put into mixed-powder 25g in the glass tube 2 of shape, from the lower section of glass tube 2, makes the N of room temperature2Gas was with 0.8L/ minutes speed stream
Logical 20 minutes, graphite is acquired by following formula and is dispersed rate (%).The quantity of graphite (%) of the so-called mixed-powder of following formula, means mixing
The quality % of graphite in powder.Graphite rate of dispersing is lower, it is meant that graphite adhesion is higher (airborne dust is low).In addition, mixing
The quantity of graphite of powder acquires (carbon value measuring device by the carbon component for mixed-powder carries out quantitative analysis；LECO systems
CS-200 (carbon sulphur while analytical equipment)).
Graphite disperses rate (%)=[1- (N2Quantity of graphite (%)/N of mixed-powder after air-flow is logical2Mixing before air-flow is logical
The quantity of graphite (%) of powder) × 100
It is dispersed rate using the graphite measured, by following standard evaluating graphite adhesions.
A：Graphite disperses rate less than 5%
B：Graphite disperse rate be 5% or more
(3) forming volume density (g/cm3)
Using mixed-powder as raw material, with pressure 10t/cm2, under room temperature (25 DEG C), with Mold Making diameter 25mm, it is long
The columned formed body of 15mm measures forming volume density according to JSPM standards 1-64 (the compressibility test method of metal powder).It presses
Following standards evaluate the forming volume density measured.A：Forming volume density is 7.45g/cm3
B：Volume density is shaped in 7.40g/cm3Less than 7.45g/cm3
C：It shapes volume density and is less than 7.40g/cm3
(4) pressure (MPa) is extracted
With obtained formed body extracts required load from mold when the measurement of forming volume density in above-mentioned (3),
Divided by the contact area of mold and formed body, thus acquire extraction pressure.The extraction pressure measured is evaluated by following standards.
A：It extracts pressure and is less than 25MPa
B：Pressure is extracted in 25MPa or more
(embodiment 1)
Prepare 40 μm of grain size or more, 120 μm of pure iron powders (Kobe Steel is made " ア ト メ Le 300M ") below, relatively
2.0 mass parts of copper powders and 0.8 mass parts of powdered graphite are mixed, are obtained using V-Mixer in 100 mass parts of pure iron powder
To mixture.Then, it in said mixture, as lubricant, adds in molybdenum dialkyldithiocarbamacompositions (ADEKA systems
ア デ カ サ Network ラ ル ー Block (registered trademark) 525, Mo contents：10 mass %, S contents：11 mass %) in 90:10 matter
Amount is (more made of ester system friction modifier (ADEKA societies キ ク ル ー Block FM-210) than being mixed with ester system Ashless type anti-friction agent
Ingredient system fluid lubricant, mixed powder for powder metallurgy is obtained by mixing with V-Mixer.At this moment, relative to straight iron powder 100
Mass parts, it is 0.50 mass parts to make fluid lubricant.Using the mixed-powder, various evaluations are carried out with above-mentioned evaluation method.
Its result is summarized in table 1 below.
(embodiment 2)
As lubricant, using in molybdenum dialkyldithiocarbamacompositions (ADEKA ア デ カ サ Network ラ ル ー Block (note
Volume trade mark) 525, Mo contents：10 mass %, S contents：11 mass %) in 90:10 mass ratio is mixed with ether system Ashless type and subtracts
Rub multicomponent system fluid lubricant made of agent (ether system friction modifier (ADEKA societies キ ク ル ー Block FM-618C)), removes
Other than this, mixed powder for powder metallurgy is obtained similarly to Example 1.Using the mixed-powder, with above-mentioned evaluation side
Method carries out various evaluations.Its result is summarized in table 1 below.
(embodiment 3)
As lubricant, using in molybdenum dialkyldithiocarbamacompositions (ADEKA ア デ カ サ Network ラ ル ー Block (note
Volume trade mark) 525, Mo contents：10 mass %, S contents：11 mass %) in 90:10 mass ratio is mixed with amine system Ashless type and subtracts
Rub multicomponent system fluid lubricant made of agent (amine system friction modifier (ADEKA societies キ ク ル ー Block FM -812)), removes this
In addition, mixed powder for powder metallurgy is obtained similarly to Example 1.Using the mixed-powder, with above-mentioned evaluation method
Carry out various evaluations.Its result is summarized in table 1 below.
(embodiment 4)
As lubricant, using in molybdenum dialkyldithiocarbamacompositions (ADEKA ア デ カ サ Network ラ ル ー Block (note
Volume trade mark) 525, Mo contents：10 mass %, S contents：11 mass %) in 90:It is ashless to be mixed with glycol system for 10 mass ratio
Multicomponent system hydrodynamic lubrication made of type anti-friction agent (glycol system friction modifier (ADEKA societies キ ク ル ー Block FMD-410))
Agent obtains mixed powder for powder metallurgy similarly to Example 1 in addition to this.Using the mixed-powder, commented with above-mentioned
Valence method carries out various evaluations.Its result is summarized in table 1 below.
(embodiment 5)
As lubricant, using in molybdenum dialkyldithiocarbamacompositions (ADEKA ア デ カ サ Network ラ ル ー Block (note
Volume trade mark) 525, Mo contents：10 mass %, S contents：11 mass %) in 90:It is ashless that 10 mass ratio is mixed with phosphate system
Multicomponent system liquid made of type anti-friction agent (phosphate system friction modifier (ADEKA societies キ ク ル ー Block AWP-1000))
Lubricant obtains mixed powder for powder metallurgy similarly to Example 1 in addition to this.Using the mixed-powder, with above-mentioned
Evaluation method carry out various evaluations.Its result is summarized in table 1 below.
(embodiment 6)
The blending ratio of amine system Ashless type anti-friction agent in multicomponent lubricant is changed to 95:5 mass ratio, except this with
Outside, mixed powder for powder metallurgy is obtained similarly to Example 3.Using the mixed-powder, with above-mentioned evaluation method into
The various evaluations of row.Its result is summarized in table 1 below.
(embodiment 7)
The blending ratio of amine system Ashless type anti-friction agent in multicomponent lubricant is altered to 80:20 mass ratio removes this
Obtain mixed powder for powder metallurgy similarly to Example 3 in addition.Using the mixed-powder, with above-mentioned evaluation method into
The various evaluations of row.Its result is summarized in table 1 below.
(embodiment 8)
The blending ratio of amine system Ashless type anti-friction agent in multicomponent lubricant is changed to 70:30 mass ratio removes this
Obtain mixed powder for powder metallurgy similarly to Example 3 in addition.Using the mixed-powder, with above-mentioned evaluation method into
The various evaluations of row.Its result is summarized in table 1 below.
(comparative example 1)
It is removed using calcium salicylate (Infineum societies M7125, Ca content is 12.5 mass %) as fluid lubricant
Other than this, mixed powder for powder metallurgy is obtained similarly to Example 1.Using the mixed-powder, with above-mentioned evaluation side
Method carries out various evaluations.Its result is summarized in table 1 below.
(comparative example 2)
As fluid lubricant, sulfoacid calcium (ラ Application Network セ ス ADDITIN (registered trademark) RC4242, Ca content is added
For 16 mass %) substitute calcium salicylate get similarly mixed powder for powder metallurgy with comparative example 1 in addition to this.It uses
The mixed-powder carries out various evaluations with above-mentioned evaluation method.Its result is summarized in table 1 below.
(comparative example 3)
As fluid lubricant, barium sulfonate (ラ Application Network セ ス ADDITIN (registered trademark) RC4103, Ba content is added：
8 mass %) substitute calcium salicylate get similarly mixed powder for powder metallurgy with comparative example 1 in addition to this.Use this
Mixed-powder carries out various evaluations with above-mentioned evaluation method.Its result is summarized in table 1 below.
(comparative example 4)
As fluid lubricant, molybdenum dialkyldithiocarbamacompositions (ADEKA ア デ カ サ Network ラ ル ー Block is added
(registered trademark) 525, Mo contents：10 mass %, S contents：11 mass %) calcium salicylate is substituted, in addition to this, and comparative example
1 gets similarly mixed powder for powder metallurgy.Using the mixed-powder, various evaluations are carried out with above-mentioned evaluation method.Its
As a result it is summarized in table 1 below.
(comparative example 5)
As fluid lubricant, zinc dialkyl dithiophosphate (ADEKA ア デ カ キ ク ル ー Block (registrars are added
Mark) Z-112, Zn contents：7 mass %, S contents：14 mass %) calcium salicylate is substituted, it is in addition to this, same as comparative example 1
Ground obtains mixed powder for powder metallurgy.Using the mixed-powder, various evaluations are carried out with above-mentioned evaluation method.Its result is returned
It is contained in table 1 below.
(comparative example 6)
As fluid lubricant, lubricating oils is added with polyol ester (oiling industry ユ ニ ス タ ー (registered trademark)
HP-281R it) substitutes calcium salicylate and gets similarly mixed powder for powder metallurgy with comparative example 1 in addition to this.Use this
Mixed-powder carries out various evaluations with above-mentioned evaluation method.Its result is summarized in table 1 below.
(comparative example 7)
As fluid lubricant, lubricating oils is added with ester (oiling industry ユ ニ ス タ ー (registered trademark) M-
It 182A) substitutes calcium salicylate and gets similarly mixed powder for powder metallurgy with comparative example 1 in addition to this.Use the mixing
Powder carries out various evaluations with above-mentioned evaluation method.Its result is summarized in table 1 below.
(comparative example 8)
As fluid lubricant, addition complex ester (oiling industry ユ ニ ス タ ー (registered trademark) TOE-500) substitutes
Calcium salicylate gets similarly mixed powder for powder metallurgy with comparative example 1 in addition to this.It is above using the mixed-powder
The evaluation method stated carries out various evaluations.Its result is summarized in table 1 below.
(comparative example 9)
Addition as kollag ethylene bis stearamide replacement fluid lubricant, in addition to this, with comparative example 1
Get similarly mixed powder for powder metallurgy.Using the mixed-powder, various evaluations are carried out with above-mentioned evaluation method.It is tied
Fruit is summarized in table 1 below.
(comparative example 10)
It adds and substitutes fluid lubricant as the zinc stearate of kollag, in addition to this, in the same manner as comparative example 1
Obtain mixed powder for powder metallurgy.Using the mixed-powder, various evaluations are carried out with above-mentioned evaluation method.Its result is concluded
In table 1 below.
【Table 1】
It can be investigated as follows by table 1.
The Examples 1 to 8 of the multicomponent base lubricant of the present invention is used, the density of formed body is very high, in formed body
Forming process in, mobility is excellent, and graphite adhesion is also good, can be pulled easily out from mold.
On the other hand, the Comparative Examples 1 to 5 of the fluid lubricant containing metal component are only added with, the density of formed body is filled
Divide height, in addition, in the forming process of formed body, mobility is excellent, and graphite adhesion is also good, but cannot hold very much from mold
It changes places extraction.
In addition, only using the comparative example 6~8 of the fluid lubricant without organometallic components, forming volume density is less high.
In addition, having used the comparative example 9~10 of kollag, forming volume density is less high, moreover, in the forming process of formed body
Graphite adhesion is also poor.
【Utilization possibility in industry】
In the mixed powder for powder metallurgy of the present invention, as lubricant, by using comprising containing organic metal at
The fluid lubricant divided and the multicomponent base lubricant with polar Ashless type anti-friction agent, to by the formed body of powder forming
For high density, it is furthermore possible to easily extract from mold.In addition, in the forming process of formed body, mobility is excellent, airborne dust
Property is low.Therefore, by the sintered body of the mixed powder for powder metallurgy forming of the present invention, have being thinned lightweight and fill
The intensity divided, therefore can be used as the part of complicated thin wall profile.
Claims (6)
1. a kind of mixed powder for powder metallurgy, which is characterized in that be the powder containing iron-based powder, auxiliary material and lubricant
Metallurgy mixed-powder, the lubricant be comprising the fluid lubricant containing organometallic components and with it is polar at least
A kind of multicomponent base lubricant of Ashless type anti-friction agent.
2. mixed powder for powder metallurgy according to claim 1, wherein the liquid profit containing organometallic components
Lubrication prescription includes from salicylic acid metal salt, metal organic sulfonate, metal phenates, metal thiocarbamates salt and D2EHDTPA metal salt
At least one of middle selection.
3. mixed powder for powder metallurgy according to claim 1 or 2, wherein the organometallic components are from alkali gold
At least one selected in category, alkaline-earth metal, molybdenum and zinc.
4. mixed powder for powder metallurgy described in any one of claim 1 to 3, wherein the Ashless type anti-friction agent
Contain at least one of the Ashless type anti-friction agent selected from ester type, ether type, amine type, diol type, phosphate type.
5. mixed powder for powder metallurgy according to any one of claims 1 to 4, wherein relative to above-mentioned ferrous alloy powder
Last 100 mass parts, including more than 0.01 mass parts of multicomponent base lubricant and 1 is below mass part.
6. mixed powder for powder metallurgy according to any one of claims 1 to 5, wherein the multicomponent system lubrication
The blending amount of the Ashless type anti-friction agent in agent is 1~35 mass %.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017017188A JP6849459B2 (en) | 2017-02-02 | 2017-02-02 | Mixed powder for powder metallurgy |
| JP2017-017188 | 2017-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108380864A true CN108380864A (en) | 2018-08-10 |
Family
ID=63076131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403201.6A Pending CN108380864A (en) | 2017-02-02 | 2017-12-22 | Mixed powder for powder metallurgy |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6849459B2 (en) |
| KR (1) | KR20180090187A (en) |
| CN (1) | CN108380864A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256185A (en) * | 1992-07-17 | 1993-10-26 | Hoeganaes Corporation | Method for preparing binder-treated metallurgical powders containing an organic lubricant |
| US20030111838A1 (en) * | 2000-12-04 | 2003-06-19 | Kunio Goto | Lubricating coating composition suitable for lubrication of a threaded joint |
| US20090016652A1 (en) * | 2006-03-29 | 2009-01-15 | Toshiaki Endo | Lubricant composition |
| US7604678B2 (en) * | 2004-08-12 | 2009-10-20 | Hoeganaes Corporation | Powder metallurgical compositions containing organometallic lubricants |
| CN101573543A (en) * | 2006-11-20 | 2009-11-04 | 斗山英维高株式会社 | Bearing having improved consume resistivity and manufacturing method thereof |
| JP2010031349A (en) * | 2008-06-27 | 2010-02-12 | Jfe Steel Corp | Iron-based powdery mixture for powder metallurgy |
| JP2010037632A (en) * | 2008-08-07 | 2010-02-18 | Jfe Steel Corp | Powder mixture for powder metallurgy and method for producing compact |
| KR20140044643A (en) * | 2012-10-05 | 2014-04-15 | 에이케이켐텍 주식회사 | Method of preparation of excellent lubricous lubricant composition |
| CN104350137A (en) * | 2012-06-05 | 2015-02-11 | 吉坤日矿日石能源株式会社 | Grease composition |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527327B2 (en) * | 2001-09-28 | 2010-08-18 | 株式会社神戸製鋼所 | Mixed powder for powder metallurgy |
| US7163911B2 (en) * | 2003-05-22 | 2007-01-16 | Chevron Oronite Company Llc | Carboxylated detergent-dispersant additive for lubricating oils |
| JP4367133B2 (en) * | 2004-01-15 | 2009-11-18 | Ｊｆｅスチール株式会社 | Iron-based powder mixture for high-strength sintered parts |
| SE0401644D0 (en) | 2004-06-23 | 2004-06-23 | Hoeganaes Ab | Lubricants for insulated soft magnetic iron-based powder compositions |
| WO2006096106A1 (en) | 2005-03-11 | 2006-09-14 | Höganäs Ab | Metal powder composition comprising a drying oil binder |
| JP2007009123A (en) * | 2005-07-01 | 2007-01-18 | Nippon Oil Corp | Lubricating oil composition for oxygen-containing fuel engine |
| JP2007002340A (en) * | 2006-10-05 | 2007-01-11 | Jfe Steel Kk | Iron based powder mixture for powder metallurgy, and method for producing the same |
| JP2008280374A (en) * | 2007-05-08 | 2008-11-20 | Kyowa Hakko Chemical Co Ltd | Oil additive and lubricating oil containing the same |
| JP2009074159A (en) * | 2007-08-27 | 2009-04-09 | Mitsubishi Materials Corp | Manufacturing method of green compact, manufacturing method of composite soft magnetic material, manufacturing method of sintered compact and pre-mixed powder |
| US20090247434A1 (en) * | 2008-03-31 | 2009-10-01 | Chevron Oronite Company Llc | Preparation of a molybdenum amide additive composition and the lubricating oil compositions containing same |
| KR101533458B1 (en) * | 2008-10-23 | 2015-07-03 | 두산인프라코어 주식회사 | Sliding bearing having improved consume resistivity and manufacturing method thereof |
| JP4708471B2 (en) * | 2008-12-06 | 2011-06-22 | 大豊工業株式会社 | Sliding bearings with excellent seizure resistance |
| US8680029B2 (en) * | 2009-10-02 | 2014-03-25 | Exxonmobil Research And Engineering Company | Lubricating oil compositions for biodiesel fueled engines |
| FR2954346B1 (en) * | 2009-12-18 | 2013-02-08 | Total Raffinage Marketing | ADDITIVE COMPOSITION FOR ENGINE OIL |
| US20140360451A1 (en) * | 2013-06-06 | 2014-12-11 | James C. Dodd | Marine Engine Lubrication |
| JP6353403B2 (en) * | 2014-10-10 | 2018-07-04 | Ｊｘｔｇエネルギー株式会社 | Lubricating oil composition for metal working |
-
2017
- 2017-02-02 JP JP2017017188A patent/JP6849459B2/en active Active
- 2017-12-22 CN CN201711403201.6A patent/CN108380864A/en active Pending
-
2018
- 2018-01-22 KR KR1020180007481A patent/KR20180090187A/en not_active IP Right Cessation
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256185A (en) * | 1992-07-17 | 1993-10-26 | Hoeganaes Corporation | Method for preparing binder-treated metallurgical powders containing an organic lubricant |
| US20030111838A1 (en) * | 2000-12-04 | 2003-06-19 | Kunio Goto | Lubricating coating composition suitable for lubrication of a threaded joint |
| US7604678B2 (en) * | 2004-08-12 | 2009-10-20 | Hoeganaes Corporation | Powder metallurgical compositions containing organometallic lubricants |
| US20090016652A1 (en) * | 2006-03-29 | 2009-01-15 | Toshiaki Endo | Lubricant composition |
| CN101573543A (en) * | 2006-11-20 | 2009-11-04 | 斗山英维高株式会社 | Bearing having improved consume resistivity and manufacturing method thereof |
| JP2010031349A (en) * | 2008-06-27 | 2010-02-12 | Jfe Steel Corp | Iron-based powdery mixture for powder metallurgy |
| JP2010037632A (en) * | 2008-08-07 | 2010-02-18 | Jfe Steel Corp | Powder mixture for powder metallurgy and method for producing compact |
| CN104350137A (en) * | 2012-06-05 | 2015-02-11 | 吉坤日矿日石能源株式会社 | Grease composition |
| KR20140044643A (en) * | 2012-10-05 | 2014-04-15 | 에이케이켐텍 주식회사 | Method of preparation of excellent lubricous lubricant composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6849459B2 (en) | 2021-03-24 |
| JP2018123383A (en) | 2018-08-09 |
| KR20180090187A (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2656345T3 (en) | Iron-based powder, component made of it, and methods of manufacturing them | |
| US7871453B2 (en) | Coarse iron or iron-based powder composition containing specific lubricant | |
| CN105722624B (en) | Lubricant for powder metallurgy and the metal-powder compositions comprising the lubricant | |
| RU2314896C1 (en) | Iron base powder composition including compound of lubricating binder and method for preparing such powder composition | |
| CN104046926A (en) | Iron Based Sintered Sliding Member And Method For Producing Same | |
| JP2012167302A (en) | Powdery mixture for powder metallurgy and method for producing the same | |
| CN108380864A (en) | Mixed powder for powder metallurgy | |
| CN100522420C (en) | Metal powder composition including a bonding lubricant and a bonding lubricant comprising glyceryl stearate | |
| CN107427917A (en) | The forming method of formed body based on compression moulding | |
| CN106964770A (en) | Mixed powder for powder metallurgy | |
| CN108380863A (en) | Mixed powder for powder metallurgy and its manufacturing method | |
| RU2291893C1 (en) | Plastic lubricant | |
| JP4018223B2 (en) | Composite lubricant for powder metallurgy, mixed powder for powder metallurgy with excellent dimensional stability, and method for producing a sintered product using the mixed powder | |
| CN108080643A (en) | A kind of preparation method of the wear-resisting lubrication block of railway high voltage isolation switch contact powder metallurgy | |
| US20240009732A1 (en) | Method for producing a component from a sintering powder | |
| JP2019143200A (en) | Mixed powders for powder metallurgy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180810 |