CN107096800B - Nickel-base alloy hot extrusion tubing organizational controls method - Google Patents
Nickel-base alloy hot extrusion tubing organizational controls method Download PDFInfo
- Publication number
- CN107096800B CN107096800B CN201710428455.7A CN201710428455A CN107096800B CN 107096800 B CN107096800 B CN 107096800B CN 201710428455 A CN201710428455 A CN 201710428455A CN 107096800 B CN107096800 B CN 107096800B
- Authority
- CN
- China
- Prior art keywords
- tubing
- value
- nickel
- extrusion
- parameter
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a kind of nickel-base alloy hot extrusion tubing organizational controls method, include the following steps: a) and according to the target crystallite dimension value D of tubing1, and the residence time t after the tube extrusion of setting before water cooling, calculate the Better Control of Initial Dynamic Recrystallization crystallite dimension value D of tubing0；B), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) relational expression between parameter T, P, V is calculated, wherein ω1、ω2、ω3、ω4、ω5The degree of Cr element, Co element, Mo element, W element, Nb element, D respectively in tubing0For Better Control of Initial Dynamic Recrystallization crystallite dimension, P is extrusion ratio, and V is extrusion speed, and T is hot extrusion thermodynamic temperature；C), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately；D), according to T, P, V, t, process flow is formulated, hot extrusion is carried out to nickel-base alloy, tubing is made.
Description
Technical field
The present invention relates to metallurgical technology field more particularly to a kind of nickel-base alloy hot extrusion tubing organizational controls methods.
Background technique
With the development of modern industrial society, nickel based tubular product made from high temperature alloy is because of its excellent performance, in petrochemical industry, aviation
Space flight, energy field are widely used, also growing day by day to the demand of tubing.To meet the needs of industrial development, nickel
The output of based high-temperature alloy tubing is also being continuously increased.
The country starts late to the research of nickel based tubular product made from high temperature alloy production technology, although industrialized life may be implemented
It produces, solves the problems, such as domestic nickel based tubular product made from high temperature alloy from scratch, but lack in detail in terms of production process organizational controls
Theoretical research as support.The problem of quality of nickel based tubular product made from high temperature alloy and production process are closely related, any link is equal
The final mass of product can be impacted.Nickel-base alloy has alloying element content height, Deformation Resistance big, processable warm
A series of features such as section is narrow, tissue is difficult to control are spent, tubing generallys use hot extrusion or hot extrusion+cold rolling mode is raw
It produces.Therefore, the overall quality of hot extrusion tubing can exert a decisive influence to the comprehensive performance of final finished pipe.
Existing nickel-base alloy hot extrusion technique, technique preparation process is cumbersome, but the grain size of tubing obtained is difficult
Control, is extremely difficult to expected effect.Even if adjustment hot extrusion technique repeatedly, such as the parameters of hot extrusion technique,
It is extremely difficult to expected technical effect.Also, for nickel-base alloy hot extrusion process, often there is bored vehicle, squeezes cracking, layering
The problems such as, hot extrusion failure is directly resulted in, since there are a large amount of precious metal elements in nickel-base alloy, is lost larger.?
Under the premise of realizing hot extrusion, the structural homogenity of hollow forging, grain size control etc. become again the performance of production tube it is decisive because
Element.It can be said that nickel base superalloy hot extrusion process is complicated systemic engineering.
Therefore, how to control going on smoothly for hot extrusion tubing grain size and extrusion process, be in metallurgy industry urgently
It solves the problems, such as.
Summary of the invention
Have in view of that, the present invention provides a kind of nickel-base alloy hot-extruded tube that can effectively control hot extrusion tubing grain size
Material organizational controls method, to solve problems of the prior art.
According to the present invention, a kind of nickel-base alloy hot extrusion tubing organizational controls method is provided, is included the following steps:
A), the residence time t after setting tube extrusion before water cooling, and according to the target crystallite dimension value of tubing
D1, and the residence time t after the tube extrusion of setting before water cooling, calculate the Better Control of Initial Dynamic Recrystallization crystal grain of tubing
Size value D0；
B), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) ginseng is calculated
Relational expression between number T, P, V, wherein
ω1、ω2、ω3、ω4、ω5The percentage of Cr element, Co element, Mo element, W element, Nb element respectively in tubing
Than content, D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, P is extrusion ratio, and V is extrusion speed, and T is hot extrusion thermodynamic temperature；
C), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately；
D), according to the value of parameter T, P, V of setting and tube extrusion after residence time t before water cooling, system
Determine process flow, hot extrusion is carried out to nickel-base alloy, tubing is made.
Preferably, in the step a), Better Control of Initial Dynamic Recrystallization crystallite dimension value D is calculated0When, according to the following formula into
Row:
D1=D0×lnt。
Preferably, in the step c), when the value of parameter T, P, V is set separately, the value of setup parameter T and P first, then
According to the value of the value setup parameter V of parameter T and P.
Preferably, the value range of the parameter P are as follows: 3 P≤8 ﹤.
Preferably, the value of the parameter T is set according to the element species of the nickel-base alloy and its proportion.
Preferably, in the step d), formulate process flow the step of include:
Set the heating process of the nickel-base alloy；
Select extrusion cylinder and extrusion die；
Set the extrusion speed of extruder.
It preferably, further include after step d), first to the actual grain size D of tubing obtained and target crystal grain ruler
Very little value D1Difference calculated, and according to calculated result determine whether adjustment formulated process flow.
Preferably, if the actual grain size D of tubing obtained and target crystallite dimension value D1Difference exceed default model
When enclosing, then it is adjusted to having formulated process flow.
Preferably, to it is described formulated the step of process flow is adjusted include: to parameter t, T, P, V at least within
One of value be adjusted.
Nickel-base alloy hot extrusion tubing organizational controls method provided by the invention can carry out the grain size of tubing effective
Control, and the preparation of process flow is rapidly and efficiently, avoids the bored vehicle of hot extrusion process, squeezes phenomena such as cracking, cracking layering
Appearance.Substantially increase the yield rate of tubing.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows the process flow of nickel-base alloy hot extrusion tubing organizational controls method according to an embodiment of the present invention
Figure.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
With reference to Fig. 1, below by embodiment one, embodiment two and embodiment three to nickel-base alloy hot extrusion tubing tissue control
Method processed is described in detail.
Embodiment one
In the embodiment, hot extrusion nickel-base alloy tubing, main component mass percentage content are as follows: Ni base, 22%Cr,
12%Co, 9%Mo, 1.2%Al, 0.44%Ti.The target crystallite dimension value D provided1It is 77 μm, that is, required by the tubing produced
Crystallite dimension value be 77 μm.
S01), the residence time t after setting tube extrusion before water cooling, and according to the target crystallite dimension of tubing
Value D1, and the residence time t after the tube extrusion of setting before water cooling, calculate the Better Control of Initial Dynamic Recrystallization crystalline substance of tubing
Particle size value D0。
Specifically, according to formula D1=D0The Better Control of Initial Dynamic Recrystallization crystallite dimension value D of × lnt calculating tubing0.Wherein, public
Formula D1=D0In × lnt: D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, unit is μm；T be tubing squeeze completely after with water
Residence time before cold, unit s.Water cooling, i.e. t=30s after 30s are stopped after setting hot extrusion.Then, by t=30s, with
And the target crystallite dimension value D of known tubing1=77 μm are brought into formula D1=D0It in × lnt, obtains: D0× ln30=77 μm,
Find out D0Value be 22.7 μm.
S02), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) it is calculated
Relational expression between parameter T, P, V, wherein
ω1、ω2、ω3、ω4、ω5The percentage of Cr element, Co element, Mo element, W element, Nb element respectively in tubing
Than content, unit %；D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, P is extrusion ratio, and V is extrusion speed, unit m/s；T
For hot extrusion thermodynamic temperature, unit K.
Specifically, by the degree value of known Cr element, Co element, Mo element, W element, Nb element, Yi Jibu
Rapid S01) in the D that finds out0=22.7 μm, bring formula into:
D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)), it obtains:
22.7 μm=(14 × 22+30 × 12+62 × 9)/(P × ln (V × T)).
S03), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately.
Specifically, 22.7 μm of the formula according to obtained in step S02)=(14 × 22+30 × 12+62 × 9)/(P × ln (V
× T)), T=1200K, P=6 is set separately, then according to the value of T and P, sets V=5.5.The value of the parameter T can basis,
Such as the element species and its proportion of the nickel-base alloy are set.In order to guarantee that complete dynamic recrystallization occurs for tissue, squeeze
Pressure ratio P should be greater than 3；Simultaneously in order to avoid the bored vehicle of hot extrusion, extruding tubing cracking, layering phenomena such as, extrusion ratio P should be not more than
8。
S04), according to the value of parameter T, P, V of setting and tube extrusion after residence time t before water cooling,
Process flow is formulated, hot extrusion is carried out to nickel-base alloy, tubing is made.
Specifically, according to step S01)-S03) setting parameter t, T, P, V value, formulate the process flow of actual production,
It include: the heating process for setting the nickel-base alloy；It is suitable according to the extrusion ratio P, the diameter of extruding tubing, selection that have set
Extrusion cylinder and extrusion die；According to extrusion speed V has been acquired, the reasonable extrusion speed of extruder is set.
S05), to the actual grain size D of tubing obtained and target crystallite dimension value D1Difference calculated, and root
Determine whether that process flow has been formulated in adjustment according to calculated result.
In the embodiment, pass through step S01)-S04) made from hot extrusion tubing, it is no cracking, layering phenomena such as, tubing ruler
Very little is φ 118 (outer diameter) × 18 (wall thickness) mm, surveys average grain size, i.e. actual grain size D is about 80 μm.Also, it squeezes
It phenomena such as during pressure without bored vehicle, extruding cracking, layering, realizes and control effectively to the grain size of tubing.
In the embodiment, to the actual grain size D and target crystallite dimension value D of tubing obtained1Difference range want
Asking is 6 μm, and the value of actual measurement average grain size D is within the scope of this, is met the requirements.
It should be noted that if the actual grain size D of tubing obtained and target crystallite dimension value D1Difference exceed
When preset range, then it is adjusted to having formulated process flow.It has formulated the step of process flow is adjusted to described and includes:
At least one of value of parameter t, T, P, V are adjusted.
Embodiment two
In the embodiment, hot extrusion nickel-base alloy tubing, main component mass percentage content are as follows: Ni base, 22%Cr,
9%Mo, 5%Nb.The target crystallite dimension value D provided1It is 56 μm, that is, crystallite dimension value required by the tubing produced is 56 μ
m。
S01), the residence time t after setting tube extrusion before water cooling, and according to the target crystallite dimension of tubing
Value D1, and the residence time t after the tube extrusion of setting before water cooling, calculate the Better Control of Initial Dynamic Recrystallization crystalline substance of tubing
Particle size value D0。
Specifically, according to formula D1=D0The Better Control of Initial Dynamic Recrystallization crystallite dimension value D of × lnt calculating tubing0.Wherein, public
Formula D1=D0In × lnt: D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, unit is μm；T be tubing squeeze completely after with water
Residence time before cold, unit s.Water cooling, i.e. t=25s after 25s are stopped after setting hot extrusion.Then, by t=25s,
And the target crystallite dimension value D of known tubing1=56 μm are brought into formula D1=D0It in × lnt, obtains: D0× ln25=56 μ
M finds out D0Value be 17.5 μm.
S02), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) it is calculated
Relational expression between parameter T, P, V, wherein
ω1、ω2、ω3、ω4、ω5The percentage of Cr element, Co element, Mo element, W element, Nb element respectively in tubing
Than content, unit %；D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, P is extrusion ratio, and V is extrusion speed, unit m/s；T
For hot extrusion thermodynamic temperature, unit K.
Specifically, by the degree value of known Cr element, Co element, Mo element, W element, Nb element, Yi Jibu
Rapid S01) in the D that finds out0=22.7 μm, bring formula into:
D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)), it obtains:
17.5 μm=(14 × 22+62 × 9+50 × 5)/(P × ln (V × T)).
S03), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately.
Specifically, 17.5 μm of the formula according to obtained in step S02)=(14 × 22+62 × 9+50 × 5)/(P × ln (V
× T)), T=1220K, P=7 is set separately, then according to the value of T and P, sets V=6.The value of the parameter T can basis, example
As the element species and its proportion of the nickel-base alloy are set.In order to guarantee that complete dynamic recrystallization occurs for tissue, squeeze
It should be greater than 3 than P；Simultaneously in order to avoid the bored vehicle of hot extrusion, extruding tubing cracking, layering phenomena such as, extrusion ratio P should be not more than 8.
S04), according to the value of parameter T, P, V of setting and tube extrusion after residence time t before water cooling,
Process flow is formulated, hot extrusion is carried out to nickel-base alloy, tubing is made.
Specifically, according to step S01)-S03) setting parameter t, T, P, V value, formulate the process flow of actual production,
It include: the heating process for setting the nickel-base alloy；It is suitable according to the extrusion ratio P, the diameter of extruding tubing, selection that have set
Extrusion cylinder and extrusion die；According to extrusion speed V has been acquired, the reasonable extrusion speed of extruder is set.
S05), to the actual grain size D of tubing obtained and target crystallite dimension value D1Difference calculated, and root
Determine whether that process flow has been formulated in adjustment according to calculated result.
In the embodiment, pass through step S01)-S04) made from hot extrusion tubing, it is no cracking, layering phenomena such as, tubing ruler
Very little is φ 108 (outer diameter) × 18 (wall thickness) mm, surveys average grain size, i.e. actual grain size D is about 52 μm.Also, it squeezes
It phenomena such as during pressure without bored vehicle, extruding cracking, layering, realizes and control effectively to the grain size of tubing.
In the embodiment, to the actual grain size D and target crystallite dimension value D of tubing obtained1Difference range want
Asking is 6 μm, and the value of actual measurement average grain size D is within the scope of this, is met the requirements.
It should be noted that if the actual grain size D of tubing obtained and target crystallite dimension value D1Difference exceed
When preset range, then it is adjusted to having formulated process flow.It has formulated the step of process flow is adjusted to described and includes:
At least one of value of parameter t, T, P, V are adjusted.
Embodiment three
In the embodiment, hot extrusion nickel-base alloy tubing, main component mass percentage content are as follows: Ni base, 25%Cr,
20%Co, 0.5%Mo, 1.5%Nb, 1.3%Ti, 1.3%Al.The target crystallite dimension value D provided1It is 72 μm, that is, produces
Crystallite dimension value required by tubing is 72 μm.
S01), the residence time t after setting tube extrusion before water cooling, and according to the target crystallite dimension of tubing
Value D1, and the residence time t after the tube extrusion of setting before water cooling, calculate the Better Control of Initial Dynamic Recrystallization crystalline substance of tubing
Particle size value D0。
Specifically, according to formula D1=D0The Better Control of Initial Dynamic Recrystallization crystallite dimension value D of × lnt calculating tubing0.Wherein, public
Formula D1=D0In × lnt: D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, unit is μm；T be tubing squeeze completely after with water
Residence time before cold, unit s.Water cooling, i.e. t=20s after 20s are stopped after setting hot extrusion.Then, by t=20s, with
And the target crystallite dimension value D of known tubing1=72 μm are brought into formula D1=D0It in × lnt, obtains: D0× ln30=72 μm,
Find out D0Value be 24 μm.
S02), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) it is calculated
Relational expression between parameter T, P, V, wherein
ω1、ω2、ω3、ω4、ω5The percentage of Cr element, Co element, Mo element, W element, Nb element respectively in tubing
Than content, unit %；D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, P is extrusion ratio, and V is extrusion speed, unit m/s；T
For hot extrusion thermodynamic temperature, unit K.
Specifically, by the degree value of known Cr element, Co element, Mo element, W element, Nb element, Yi Jibu
Rapid S01) in the D that finds out0=24 μm, bring formula into:
D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)), it obtains:
24 μm=(14 × 25+30 × 20+62 × 0.5+50 × 1.5)/(P × ln (V × T)).
S03), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately.
Specifically, 22.7 μm of the formula according to obtained in step S02)=(14 × 25+30 × 20+62 × 0.5+50 ×
1.5)/(P × ln (V × T)), is set separately T=1200K, P=5, then according to the value of T and P, sets V=5.The parameter T
Value can basis, such as the element species and its proportion of the nickel-base alloy set.In order to guarantee that dynamic completely occurs for tissue
Recrystallization, extrusion ratio P should be greater than 3；It simultaneously in order to avoid the bored vehicle of hot extrusion, extruding tubing cracking, layering phenomena such as, squeezes
8 should be not more than than P.
S04), according to the value of parameter T, P, V of setting and tube extrusion after residence time t before water cooling,
Process flow is formulated, hot extrusion is carried out to nickel-base alloy, tubing is made.
Specifically, according to step S01)-S03) setting parameter t, T, P, V value, formulate the process flow of actual production,
It include: the heating process for setting the nickel-base alloy；It is suitable according to the extrusion ratio P, the diameter of extruding tubing, selection that have set
Extrusion cylinder and extrusion die；According to extrusion speed V has been acquired, the reasonable extrusion speed of extruder is set.
S05), to the actual grain size D of tubing obtained and target crystallite dimension value D1Difference calculated, and root
Determine whether that process flow has been formulated in adjustment according to calculated result.
In the embodiment, pass through step S01)-S04) made from hot extrusion tubing, it is no cracking, layering phenomena such as, tubing ruler
Very little is φ 140 (outer diameter) × 20 (wall thickness) mm, surveys average grain size, i.e. actual grain size D is about 78 μm.Also, it squeezes
It phenomena such as during pressure without bored vehicle, extruding cracking, layering, realizes and control effectively to the grain size of tubing.
In the embodiment, to the actual grain size D and target crystallite dimension value D of tubing obtained1Difference range want
Asking is 6 μm, and the value of actual measurement average grain size D is within the scope of this, is met the requirements.It should be noted that if tubing obtained
Actual grain size D and target crystallite dimension value D1Difference exceed preset range when, then to formulated process flow carry out
Adjustment.To it is described formulated the step of process flow is adjusted include: to parameter t, T, P, V it is at least one of be worth into
Row adjustment.
Nickel-base alloy hot extrusion tubing organizational controls method in the application can carry out the grain size of tubing effective
Control, and the preparation of process flow is rapidly and efficiently, the appearance for avoiding the bored vehicle of hot extrusion process, squeezing phenomena such as cracking, layering,
Substantially increase the yield rate of tubing.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (8)
1. a kind of nickel-base alloy hot extrusion tubing organizational controls method, which comprises the steps of:
A), residence time t, the unit s after setting tube extrusion before water cooling, and according to the target crystal grain ruler of tubing
Very little value D1, unit is μm, and residence time t before water cooling after the tube extrusion of setting, calculates the initial of tubing
Dynamic recrystallization crystallite dimension value D0, unit be μm, according to the following formula carry out:
D1=D0×lnt；
B), according to formula D0=(14 ω1+30ω2+62(ω3+ω4)+50ω5)/(P × ln (V × T)) be calculated parameter T,
P, the relational expression between V, wherein
ω1、ω2、ω3、ω4、ω5Cr element respectively in tubing, Co element, Mo element, W element, Nb element percentage contain
Amount, unit %, D0For Better Control of Initial Dynamic Recrystallization crystallite dimension, unit is μm that P is extrusion ratio, and V is extrusion speed, and unit is
M/s, T are hot extrusion thermodynamic temperature, unit K；
C), according to the relational expression between parameter T, P, the V being calculated, the value of parameter T, P, V is set separately；
D), according to the value of parameter T, P, V of setting and tube extrusion after residence time t before water cooling, formulate work
Skill process carries out hot extrusion to nickel-base alloy, tubing is made.
2. nickel-base alloy hot extrusion tubing organizational controls method according to claim 1, which is characterized in that the step c)
In, when the value of parameter T, P, V is set separately, the value of setup parameter T and P first, then according to the value setup parameter V of parameter T and P
Value.
3. nickel-base alloy hot extrusion tubing organizational controls method according to claim 2, which is characterized in that the parameter P
Value range are as follows: 3 P≤8 ﹤.
4. nickel-base alloy hot extrusion tubing organizational controls method according to claim 2, which is characterized in that the parameter T
Value set according to the element species of the nickel-base alloy and its proportion.
5. nickel-base alloy hot extrusion tubing organizational controls method according to claim 1, which is characterized in that the step d)
In, formulate process flow the step of include:
Set the heating process of the nickel-base alloy；
Select extrusion cylinder and extrusion die；
Set the extrusion speed of extruder.
6. nickel-base alloy hot extrusion tubing organizational controls method according to claim 1, which is characterized in that further include in step
It is rapid d) after, first to the actual grain size D of tubing obtained and target crystallite dimension value D1Difference calculated, and root
Determine whether that process flow has been formulated in adjustment according to calculated result.
7. nickel-base alloy hot extrusion tubing organizational controls method according to claim 6, which is characterized in that if pipe obtained
The actual grain size D and target crystallite dimension value D of material1Difference exceed preset range when, then to formulated process flow into
Row adjustment.
8. nickel-base alloy hot extrusion tubing organizational controls method according to claim 6 or 7, which is characterized in that described
Having formulated the step of process flow is adjusted includes: to be adjusted at least one of value of parameter t, T, P, V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428455.7A CN107096800B (en) | 2017-06-08 | 2017-06-08 | Nickel-base alloy hot extrusion tubing organizational controls method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428455.7A CN107096800B (en) | 2017-06-08 | 2017-06-08 | Nickel-base alloy hot extrusion tubing organizational controls method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107096800A CN107096800A (en) | 2017-08-29 |
| CN107096800B true CN107096800B (en) | 2019-01-11 |
Family
ID=59659389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428455.7A Active CN107096800B (en) | 2017-06-08 | 2017-06-08 | Nickel-base alloy hot extrusion tubing organizational controls method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107096800B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008238246A (en) * | 2007-03-28 | 2008-10-09 | Nippon Kinzoku Co Ltd | Method of manufacturing pure nickel pipe and pure nickel pipe |
| CN103537490A (en) * | 2013-10-24 | 2014-01-29 | 天津工业大学 | Method for predicating 33Mn2V hot-rolled seamless steel tube perforation structure |
| CN103639220A (en) * | 2013-12-11 | 2014-03-19 | 西北有色金属研究院 | Extrusion forming method of nickel alloy tube blank |
| CN105499294A (en) * | 2016-01-12 | 2016-04-20 | 江苏隆达超合金航材股份有限公司 | Extrusion production process for nickel base alloy pipe |
| CN106650112A (en) * | 2016-12-26 | 2017-05-10 | 南京工程学院 | Method and device for acquiring thermal extrusion technological parameters of nickel base alloy tube stock |
-
2017
- 2017-06-08 CN CN201710428455.7A patent/CN107096800B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008238246A (en) * | 2007-03-28 | 2008-10-09 | Nippon Kinzoku Co Ltd | Method of manufacturing pure nickel pipe and pure nickel pipe |
| CN103537490A (en) * | 2013-10-24 | 2014-01-29 | 天津工业大学 | Method for predicating 33Mn2V hot-rolled seamless steel tube perforation structure |
| CN103639220A (en) * | 2013-12-11 | 2014-03-19 | 西北有色金属研究院 | Extrusion forming method of nickel alloy tube blank |
| CN105499294A (en) * | 2016-01-12 | 2016-04-20 | 江苏隆达超合金航材股份有限公司 | Extrusion production process for nickel base alloy pipe |
| CN106650112A (en) * | 2016-12-26 | 2017-05-10 | 南京工程学院 | Method and device for acquiring thermal extrusion technological parameters of nickel base alloy tube stock |
Non-Patent Citations (1)
| Title |
|---|
| GH625合金管材热挤压成形工艺及组织演变的研究;郭青苗等;《稀有金属》;20110930;第35卷(第5期);第684-689页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107096800A (en) | 2017-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105734507B (en) | Form a film uniform fine grain nickel alloy rotary target material and its hot extrusion optimization preparation method | |
| US5226981A (en) | Method of manufacturing corrosion resistant tubing from welded stock of titanium or titanium base alloy | |
| US9050647B2 (en) | Split-pass open-die forging for hard-to-forge, strain-path sensitive titanium-base and nickel-base alloys | |
| US4830262A (en) | Method of making titanium-nickel alloys by consolidation of compound material | |
| CN107096923A (en) | The preparation method of the high-melting-point high-entropy alloy spherical powder manufactured based on laser gain material | |
| CN103757571B (en) | The gamma-TiAl alloy tiny complete lamellar structure preparation method of lamellar interface preferred orientation | |
| CN108220681B (en) | Multidirectional sheath forging method for β solidified TiAl alloy containing Cr and Mo | |
| WO2008106858A1 (en) | A quasi-isothermal forging method of a disk shaped forging of nickel-base superalloys in air | |
| CN104175068B (en) | Forging method of special-shaped ring made of aviation alloy material | |
| US4065328A (en) | High strength Sn-Mo-Nb-Zr alloy tubes and method of making same | |
| JPS5896845A (en) | Nickel base superalloy sheet and manufacture | |
| CN106756688A (en) | One kind deformation TiAl alloy structure property accuracy control method | |
| Cheadle et al. | Development of texture and structure in Zr-2.5 wt% Nb extruded tubes | |
| CN106563919A (en) | Method for preparing middle bezel and rear cover of mobile phone | |
| CN1058757C (en) | Method for nickel-base high-temp. alloy forging and bar acquiring uniform superfine crystalline grain | |
| CN109439961A (en) | A kind of high temperature alloy silk material and preparation method thereof | |
| CN107127282A (en) | A kind of isothermal forging method of the high muscle thin web plate class part of magnesium alloy | |
| CN106807794A (en) | The determination method of nickel base superalloy Hot Extrusion Parameters and the hot extrusion technique of nickel base superalloy | |
| CN114951522B (en) | Isothermal forging method of monocrystalline TiAl | |
| CN105893681B (en) | Profile extrusion die design method | |
| CN106994583B (en) | The manufacturing method of Mg alloy thin wall forging-ring | |
| CN107096800B (en) | Nickel-base alloy hot extrusion tubing organizational controls method | |
| JPH0375623B2 (en) | ||
| EP2003224A1 (en) | Secondary processing of structures derived from AI-RE-TM Alloys | |
| Zhang et al. | Recrystallization behavior and texture evolution of magnesium alloy bending products under staggered extrusion |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |