CN109518015A - A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology - Google Patents
A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology Download PDFInfo
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- CN109518015A CN109518015A CN201811175604.4A CN201811175604A CN109518015A CN 109518015 A CN109518015 A CN 109518015A CN 201811175604 A CN201811175604 A CN 201811175604A CN 109518015 A CN109518015 A CN 109518015A
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- nisiloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
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- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Physics & Mathematics (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of nickel chromium triangle of compensator alloy silk technical field-nisiloy compensator alloy silk synthesis technologies, S1: raw material prepare: by nickel plate, it is dried after chromium plate clean the surface, cut into the bulk of uniform sizes, it is spare to be put into 200 DEG C of drying in oven, it is dried after metallic silicon clean the surface, it is broken into 5 centimeters or so of particle, it is spare to be then placed in 200 DEG C of drying in oven, tantalum is broken into 3 centimeters or so of particle, it is spare to be then placed in 200 DEG C of drying in oven, the nickel chromium triangle-nisiloy compensator alloy silk synthesis technology, metal tantalum is added in nickel chromium triangle-nisiloy compensator alloy silk, the oxidation resistance of compensator alloy silk is greatly improved by tantalum, and it is passivated by surface of the phosphatization to compensator alloy silk, further promote the oxidation resistance of compensator alloy silk, improve the service life of compensator alloy silk, It will not also damaged at relatively high temperatures because of oxidation.
Description
Technical field
The present invention relates to compensator alloy silk technical field, specially a kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology.
Background technique
For by thermocouple cold junction extend to far from high temperature and temperature it is more stable place a kind of special wire.Essence
On the thermocouple that is made of two different metals.In certain temperature range, the heat of its pyroelecthc properties and main thermocouple
Electrical property is essentially identical.Linked with the cold end of compensating wire and thermocouple, so that it may transmit the temperature signal of thermocouple output
To in far from tens of meters of control room, display instrument or control instrument are given.This is equivalent to thermocouple extension to temperature perseverance
Fixed place, high mild temperature instability problem caused by solving thermocouple cold junction near the hot equipment.It is easy to use, it is heat
Galvanic couple installation in through frequently with.They are special wires, and a type of compensating wire can only be the same as corresponding a kind of thermocouple
It matches, and positive and negative polarity can not be reversed.Existing nickel chromium triangle-nisiloy compensator alloy silk during prolonged use,
It is easy to appear oxidation, at relatively high temperatures, nickel chromium triangle-nisiloy compensator alloy silk is often damaged because of oxidation.
Summary of the invention
The purpose of the present invention is to provide a kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technologies, to solve above-mentioned background skill
The existing nickel chromium triangle proposed in art-nisiloy compensator alloy silk is easy to appear oxidation, in higher temperatures during prolonged use
Under degree, the problem of nickel chromium triangle-nisiloy compensator alloy silk is often damaged because of oxidation.
To achieve the above object, the invention provides the following technical scheme: a kind of nickel chromium triangle-nisiloy compensator alloy silk synthesizes work
Skill, the nickel chromium triangle-nisiloy compensator alloy silk synthesis technology include the following steps:
S1: raw material prepare: will dry after nickel plate, chromium plate clean the surface, cut into the bulk of uniform sizes, are put into 200 DEG C of bakings
It is dried for standby in case, is dried after metallic silicon clean the surface, be broken into 5 centimeters or so of particle, be then placed in 200 DEG C of baking ovens and dry
It does spare, tantalum is broken into 3 centimeters or so of particle, it is spare to be then placed in 200 DEG C of drying in oven；
S2: charge composition: major ingredient is nickel plate, and the electronic scale that service precision is 0.005 kilogram weighs, and auxiliary material is chromium plate, metallic silicon,
The electronic scale that service precision is 0.005 kilogram weighs, and adds tantalum, the electricity that service precision is 0.01 gram in major ingredient and auxiliary material respectively
Sub- balance weighs；
S3: melting: major ingredient being placed in the Magnesia crucible of 25KG vacuum intermediate-frequency induction melting furnace, is closed bell and is vacuumized, starts
Melting is transferred to refining after melting completely to major ingredient, auxiliary material is added after refining and shakes up, and calm a moment starts to be poured, and casting terminates
After the forming of molten steel cooled and solidified, opens bell and take out ingot casting；
S4: it forges: first preheating ingot casting before forging, after the completion of ingot casting preheating, take out ingot casting, hammered into shape using 750 kg of air per kg of water evaporated quick
It forges stand-by to the square item that section is 4cm × 4cm square；
S5: hot rolling: first square item is placed in calcining furnace and is heated to 1020 DEG C, and keeps the temperature 20 minutes, is then rolled into diameter 6.5mm
Wire rod；
S6: cold-drawn wire drawing: should first polish before wire rod drawing, remove flash removed and overlap, according to variable diameter rate 0.85 repeatedly drawing 15 to
20 times, until trimmed size, stops drawing；
S7: heat treatment: silk material surface should be first cleaned up before the annealing of finished product silk material, well annealing furnace is put into after drying, is sealed
Ammonolysis craft purified gases are filled with from flue bottom after bell, the exhaust outlet point after air is completely exhausted out in flue, at bell
Fire burns up surplus hydrogen, and power supply is opened after igniting and is warming up to 950 DEG C, and keeps the temperature 2 hours, power supply is closed after heat preservation, allows silk
Material furnace cooling；
S8: finished product silk material phosphatization: is subjected to phosphatization；
S9: product inspection: the silk material after heat treatment detects by an unaided eye silk material surface whether there is or not greasy dirt, crackle, burr, is surveyed with micrometer
Whether amount silk material diameter, circularity meet the requirements of the standard, each intercepted length in silk material both ends be no less than 1 meter of sample detection thermo-electromotive force and
Whether uniformity meets the requirements of the standard；
S10: storage: silk material after the assay was approved, ties up securely at every parcel material point three, hangs up properly the quality certification and wrapped up with barrier material
After handle warehousing finished products.
Preferably, it is Ni:89.5%, Cr:10%, Ta:0.5% that the chemical component of the nickel chromium triangle-nisiloy, which is nickel chromium triangle, and nisiloy is
Ni:96.5%, Si:3%, Ta:0.5%.
Preferably, in the step S2, load weighted major ingredient and auxiliary material are placed in spare in 200 DEG C of baking oven.
Preferably, require under furnace charge that tightly upper pine, auxiliary material are placed in the hopper above crucible in the step S3, when shove charge.
Preferably, in the step S4, ingot casting preheating temperature is 1050 DEG C, and keeps the temperature 30 minutes.
Preferably, in the S8, parkerizing process is that finished product silk material is placed in bonderite PZn-9 and free acid proportion is molten
In liquid, solution ratio amount is PZn-9:100g/M3, free acid: 2.0-3.0g, and phosphatization temperature is 45 degrees Celsius, phosphating time:
15min。
Compared with prior art, the beneficial effects of the present invention are: the nickel chromium triangle-nisiloy compensator alloy silk synthesis technology, in nickel
Metal tantalum is added in chromium-nisiloy compensator alloy silk, the oxidation resistance of compensator alloy silk is greatly improved by tantalum, and lead to
It crosses phosphatization to be passivated the surface of compensator alloy silk, further promotes the oxidation resistance of compensator alloy silk, improve compensation
The service life of alloy wire will not also damaged at relatively high temperatures because of oxidation.
Detailed description of the invention
Fig. 1 is synthesis process flow diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology:
Embodiment 1
The nickel chromium triangle-nisiloy compensator alloy silk synthesis technology includes the following steps:
S1: raw material prepare: will dry after nickel plate, chromium plate clean the surface, cut into the bulk of uniform sizes, are put into 200 DEG C of bakings
It is dried for standby in case, is dried after metallic silicon clean the surface, be broken into 5 centimeters or so of particle, be then placed in 200 DEG C of baking ovens and dry
It does spare, tantalum is broken into 3 centimeters or so of particle, it is spare to be then placed in 200 DEG C of drying in oven；
S2: charge composition: major ingredient is nickel plate, and the electronic scale that service precision is 0.005 kilogram weighs, and auxiliary material is chromium plate, metallic silicon,
The electronic scale that service precision is 0.005 kilogram weighs, and adds tantalum, the electricity that service precision is 0.01 gram in major ingredient and auxiliary material respectively
Sub- balance weighs；
S3: melting: major ingredient being placed in the Magnesia crucible of 25KG vacuum intermediate-frequency induction melting furnace, is closed bell and is vacuumized, starts
Melting is transferred to refining after melting completely to major ingredient, auxiliary material is added after refining and shakes up, and calm a moment starts to be poured, and casting terminates
After the forming of molten steel cooled and solidified, opens bell and take out ingot casting；
S4: it forges: first preheating ingot casting before forging, after the completion of ingot casting preheating, take out ingot casting, hammered into shape using 750 kg of air per kg of water evaporated quick
It forges stand-by to the square item that section is 4cm × 4cm square；
S5: hot rolling: first square item is placed in calcining furnace and is heated to 1020 DEG C, and keeps the temperature 20 minutes, is then rolled into diameter 6.5mm
Wire rod；
S6: cold-drawn wire drawing: should first polish before wire rod drawing, remove flash removed and overlap, according to variable diameter rate 0.85 repeatedly drawing 15 to
20 times, until trimmed size, stops drawing；
S7: heat treatment: silk material surface should be first cleaned up before the annealing of finished product silk material, well annealing furnace is put into after drying, is sealed
Ammonolysis craft purified gases are filled with from flue bottom after bell, the exhaust outlet point after air is completely exhausted out in flue, at bell
Fire burns up surplus hydrogen, and power supply is opened after igniting and is warming up to 950 DEG C, and keeps the temperature 2 hours, power supply is closed after heat preservation, allows silk
Material furnace cooling；
S8: finished product silk material phosphatization: is subjected to phosphatization；
S9: product inspection: the silk material after heat treatment detects by an unaided eye silk material surface whether there is or not greasy dirt, crackle, burr, is surveyed with micrometer
Whether amount silk material diameter, circularity meet the requirements of the standard, each intercepted length in silk material both ends be no less than 1 meter of sample detection thermo-electromotive force and
Whether uniformity meets the requirements of the standard；
S10: storage: silk material after the assay was approved, ties up securely at every parcel material point three, hangs up properly the quality certification and wrapped up with barrier material
After handle warehousing finished products.
In the present embodiment, the chemical component of the nickel chromium triangle-nisiloy be nickel chromium triangle be Ni:89.5%, Cr:10%, Ta:0.5%,
Nisiloy is Ni:96.5%, Si:3%, Ta:0.5%, and in the step S2, load weighted major ingredient and auxiliary material are placed in 200 DEG C
It is spare in baking oven, tightly upper pine is required under furnace charge in the step S3, when shove charge, auxiliary material is placed in the hopper above crucible, described
In step S4, ingot casting preheating temperature is 1050 DEG C, and keeps the temperature 30 minutes, and in the S8, parkerizing process is to place finished product silk material
In bonderite PZn-9 and free acid proportion solution, solution ratio amount is PZn-9:100g/M3, free acid: 2.0-3.0g, phosphorus
Changing temperature is 45 degrees Celsius, phosphating time: 15min.
In summary embodiment, nickel chromium triangle-nisiloy compensator alloy silk synthesis technology, in nickel chromium triangle-nisiloy compensator alloy silk
Metal tantalum is added, the oxidation resistance of compensator alloy silk is greatly improved by tantalum, and by phosphatization to compensator alloy silk
Surface be passivated, further promoted compensator alloy silk oxidation resistance, improve the service life of compensator alloy silk.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology, it is characterised in that: the nickel chromium triangle-nisiloy compensator alloy silk synthesizes work
Skill includes the following steps:
S1: raw material prepare: will dry after nickel plate, chromium plate clean the surface, cut into the bulk of uniform sizes, are put into 200 DEG C of bakings
It is dried for standby in case, is dried after metallic silicon clean the surface, be broken into 5 centimeters or so of particle, be then placed in 200 DEG C of baking ovens and dry
It does spare, tantalum is broken into 3 centimeters or so of particle, it is spare to be then placed in 200 DEG C of drying in oven；
S2: charge composition: major ingredient is nickel plate, and the electronic scale that service precision is 0.005 kilogram weighs, and auxiliary material is chromium plate, metallic silicon,
The electronic scale that service precision is 0.005 kilogram weighs, and adds tantalum, the electricity that service precision is 0.01 gram in major ingredient and auxiliary material respectively
Sub- balance weighs；
S3: melting: major ingredient being placed in the Magnesia crucible of 25KG vacuum intermediate-frequency induction melting furnace, is closed bell and is vacuumized, starts
Melting is transferred to refining after melting completely to major ingredient, auxiliary material is added after refining and shakes up, and calm a moment starts to be poured, and casting terminates
After the forming of molten steel cooled and solidified, opens bell and take out ingot casting；
S4: it forges: first preheating ingot casting before forging, after the completion of ingot casting preheating, take out ingot casting, hammered into shape using 750 kg of air per kg of water evaporated quick
It forges stand-by to the square item that section is 4cm × 4cm square；
S5: hot rolling: first square item is placed in calcining furnace and is heated to 1020 DEG C, and keeps the temperature 20 minutes, is then rolled into diameter 6.5mm
Wire rod；
S6: cold-drawn wire drawing: should first polish before wire rod drawing, remove flash removed and overlap, according to variable diameter rate 0.85 repeatedly drawing 15 to
20 times, until trimmed size, stops drawing；
S7: heat treatment: silk material surface should be first cleaned up before the annealing of finished product silk material, well annealing furnace is put into after drying, is sealed
Ammonolysis craft purified gases are filled with from flue bottom after bell, the exhaust outlet point after air is completely exhausted out in flue, at bell
Fire burns up surplus hydrogen, and power supply is opened after igniting and is warming up to 950 DEG C, and keeps the temperature 2 hours, power supply is closed after heat preservation, allows silk
Material furnace cooling；
S8: finished product silk material phosphatization: is subjected to phosphatization；
S9: product inspection: the silk material after heat treatment detects by an unaided eye silk material surface whether there is or not greasy dirt, crackle, burr, is surveyed with micrometer
Whether amount silk material diameter, circularity meet the requirements of the standard, each intercepted length in silk material both ends be no less than 1 meter of sample detection thermo-electromotive force and
Whether uniformity meets the requirements of the standard；
S10: storage: silk material after the assay was approved, ties up securely at every parcel material point three, hangs up properly the quality certification and wrapped up with barrier material
After handle warehousing finished products.
2. a kind of nickel chromium triangle according to claim 1-nisiloy compensator alloy silk synthesis technology, it is characterised in that: the nickel chromium triangle-
The chemical component of nisiloy is that nickel chromium triangle is Ni:89.5%, Cr:10%, Ta:0.5%, nisiloy Ni:96.5%, Si:3%, Ta:0.5%.
3. a kind of nickel chromium triangle according to claim 1-nisiloy compensator alloy silk synthesis technology, it is characterised in that: the step
In S2, load weighted major ingredient and auxiliary material are placed in spare in 200 DEG C of baking oven.
4. a kind of nickel chromium triangle according to claim 1-nisiloy compensator alloy silk synthesis technology, it is characterised in that: the step
Require under furnace charge that tightly upper pine, auxiliary material are placed in the hopper above crucible in S3, when shove charge.
5. a kind of nickel chromium triangle according to claim 1-nisiloy compensator alloy silk synthesis technology, it is characterised in that: the step
In S4, ingot casting preheating temperature is 1050 DEG C, and keeps the temperature 30 minutes.
6. a kind of nickel chromium triangle according to claim 1-nisiloy compensator alloy silk synthesis technology, it is characterised in that: in the S8,
Parkerizing process is finished product silk material to be placed in bonderite PZn-9 and free acid proportion solution, solution ratio amount is PZn-9:
100g/M3, free acid: 2.0-3.0g, phosphatization temperature are 45 degrees Celsius, phosphating time: 15min.
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| CN201811175604.4A CN109518015A (en) | 2018-10-10 | 2018-10-10 | A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology |
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| CN201811175604.4A CN109518015A (en) | 2018-10-10 | 2018-10-10 | A kind of nickel chromium triangle-nisiloy compensator alloy silk synthesis technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700383A (en) * | 2022-03-10 | 2022-07-05 | 江阴泰坦高压电气有限公司 | Nickel-cobalt alloy stainless steel wire and production process thereof |
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|---|---|---|---|---|
| CN114700383A (en) * | 2022-03-10 | 2022-07-05 | 江阴泰坦高压电气有限公司 | Nickel-cobalt alloy stainless steel wire and production process thereof |
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Application publication date: 20190326 |