CN116179894A - 一种新型高电阻电热合金Cr20Ni80Al的制备方法 - Google Patents
一种新型高电阻电热合金Cr20Ni80Al的制备方法 Download PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 32
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000003723 Smelting Methods 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 8
- 238000005098 hot rolling Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000000137 annealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- GNTCPDPNMAMZFW-UHFFFAOYSA-N ferrous phosphide Chemical compound [Fe]=P#[Fe] GNTCPDPNMAMZFW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910018487 Ni—Cr Inorganic materials 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- -1 iron-chromium-aluminum Chemical compound 0.000 description 2
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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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
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- 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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- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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Abstract
本发明提出一种新型高电阻电热合金Cr20Ni80Al的制备方法,化学成分及质量百分比为:C:≤0.05%;Si:1.20~1.80;Mn:≤0.40%;Fe2p:≤0.020%;S:≤0.01%;Cr:20.5~21.50%;Ti≤0.09%;Al:3.2~3.6%;Fe:≤0.98%;Zr:≤0.2%;余量为Ni及不可避免的杂质,在进行电阻合金冶炼时,将原配料磷分替换为磷化亚铁,磷化亚铁的稳定性好,保证了冶炼合金时的安全性,并且能够增加孔隙表面张力的作用使制品的空隙趋于球化,起到填充孔隙的作用,提高了制品的密度,这种球形孔隙极大减少断裂源的产生,提高了制品的强度。
Description
技术领域
本发明涉及电热合金材料技术领域,特别涉及一种新型高电阻电热合金Cr20Ni80Al的制备方法。
背景技术
电热合金材料是利用物质的电阻特性制造发热体的电阻合金。目前电热合金材料已成为一种重要的工程合金材料,适用于机械、冶金、电子、化工等行业,在国民经济中占有重要的地位。镍铬系电热合金具有均匀稳定的电阻率、高抗氧化性、高熔点和良好的高温强度、热加工性等优点,近几年在电器和工业用炉中广泛使用。
目前的电热合金主要分为两大类,镍铬系电热合金和铁铬铝系电热合金,这两大系电热合金分别由于组织不同有着不同的优缺点:铁铬铝系电热合金为单相铁素体组织,其优点是能使用于超高温1100℃以上的环境、具有更高的电阻率、抗氧化性好。铁铬铝系抗氧化主要依赖于表面生成的AL2O3,能够强烈耐空气的热腐蚀,但是在酸性环境及其容易溶解,这样就破坏了基体结构。
目前现在的在冶炼电阻合金时,为了提高制品的综合性能,一般会添加有少量的磷粉,然而磷分的化学性质较为活泼,容易燃烧,一般处理不当,会带来极大的危害,因此,有必要对其进行设计改进。
发明内容
为达到本发明的目的,本发明的一种新型高电阻电热合金 Cr20Ni80Al,化学成分及质量百分比为:C:≤0.05%;Si:1.20~1.80; Mn:≤0.40%;Fe2p:≤0.020%;S:≤0.01%;Cr:20.5~21.50%;Ti ≤0.09%;Al:3.2~3.6%;Fe:≤0.98%;Zr:≤0.2%;余量为Ni及不可避免的杂质。
优选的,所述新型高电阻电热合金Cr20Ni80Al,化学成分及质量百分比为:C:0.05%;Si:1.20;Mn:0.40%;Fe2p:0.020%;S: 0.01%;Cr:21.50%;Ti 0.09%;Al:3.6%;Fe:0.98%;Zr:0.2%;余量Ni为71.95%。
再优选的,所述新型高电阻电热合金Cr20Ni80Al,化学成分及质量百分比为:C:0.04%;Si:1.80;Mn:0.30%;Fe2p:0.15%;S:0.009%;Cr:21.50%;Ti 0.09%;Al:3.6%;Fe:0.88%;Zr:0.1%;余量Ni为71.531%。
一种新型高电阻电热合金Cr20Ni80Al的制备方法,包括以下步骤:
(1)配料:按照前述的配比进行配料;
(2)熔炼:将配料好的原料放入非自耗电磁感应熔炼炉内,抽真空,冲入氩气,在2300摄氏度下进行熔炼30min,然后冷却2h,获得合金锭;
(3)锻造:锻造温度为1200-1300摄氏度,开锻温度为1200摄氏度;
(4)热轧盘条:将锻造后的方棒进行热轧盘条,热轧温度为 1200-800摄氏度,开轧温度为1200摄氏度,终轧温度为800摄氏度;
(5)退火:将热轧盘条放入真空热处理炉内,在真空度为1× 1000Pa,温度为800-1000下保温12h,然后随炉冷却;
(6)漂洗。
优选的,所述Fe2p的制备方法为:
将纯度为99.8%的Fe粉和纯度为99.999%的红磷按化学配比称量后,在高真空环境下用振动球磨机进行球磨,球磨过程中,在球磨时间为50h时,将球磨50h的产品在390MPa下压成块状,然后将块状产品密封在石英管内进行抽真空处理,最后在20kPa氩气气氛下将产品在 1273K的温度下烧结5h后随炉冷却至室温。
本发明相对以往的好处为:
(1)在进行电阻合金冶炼时,将原配料磷分替换为磷化亚铁,磷化亚铁的稳定性好,保证了冶炼合金时的安全性,并且能够增加孔隙表面张力的作用使制品的空隙趋于球化,起到填充孔隙的作用,提高了制品的密度,这种球形孔隙极大减少断裂源的产生,提高了制品的强度。
具体实施方式
结合具体实施例对本发明的特征和优点详述如下。
实施例1:
C:0.05%;Si:1.20;Mn:0.40%;Fe2p:0.020%;S:0.01%; Cr:21.50%;Ti0.09%;Al:3.6%;Fe:0.98%;Zr:0.2%;余量 Ni为71.95%。
实施例2:
C:C:0.04%;Si:1.80;Mn:0.30%;Fe2p:0.15%;S:0.009%; Cr:21.50%;Ti0.09%;Al:3.6%;Fe:0.88%;Zr:0.1%;余量 Ni为71.531%。
实施例3:
C:0.03%;Si:1.5;Mn:0.30%;Fe2p:0.015%;S:0.01%;Cr: 20.8%;Ti 0.09%;Al:3.4%;Fe:0.9%;Zr:0.15%;余量为Ni及不可避免的杂质。
实施例4:
C:0.04%;Si:1.7;Mn:0.25%;Fe2p:0.01%;S:0.01%;Cr:20.5%;Ti 0.06%;Al:3.3%;Fe:0.88%;Zr:0.12%;余量为Ni 及不可避免的杂质。
实施例5:
C:0.05%;Si:1.25;Mn:0.40%;Fe2p:0.011%;S:0.01%; Cr:20.5%;Ti0.05%;Al:3.6%;Fe:0.98%;Zr:0.11%;余量为 Ni及不可避免的杂质。
实施例6:
C:0.04%;Si:1.35;Mn:0.25%;Fe2p:0.020%;S:0.009%; Cr:20.9%;Ti0.09%;Al:3.6%;Fe:0.68%;Zr:0.13%;余量为 Ni及不可避免的杂质。
将上述的实施例的按设计成分配料;将配料好的原料放入非自耗电磁感应熔炼炉内,抽真空,冲入氩气,在2300摄氏度下进行熔炼 30min,然后冷却2h,获得合金锭;锻造温度为1200-1300摄氏度,开锻温度为1200摄氏度;将锻造后的方棒进行热轧盘条,热轧温度为1200-800摄氏度,开轧温度为1200摄氏度,终轧温度为800摄氏度;将热轧盘条放入真空热处理炉内,在真空度为1×1000Pa,温度为800-1000下保温12h,然后随炉冷却;漂洗。
本发明并不局限于所述的实施例,本领域的技术人员在不脱离本发明的精神即公开范围内,仍可作一些修正或改变,故本发明的权利保护范围以权利要求书限定的范围为准。
Claims (5)
1.一种新型高电阻电热合金Cr20Ni80Al,其特征在于,化学成分及质量百分比为:C:≤0.05%;Si:1.20~1.80;Mn:≤0.40%;Fe2p:≤0.020%;S:≤0.01%;Cr:20.5~21.50%;Ti≤0.09%;Al:3.2~3.6%;Fe:≤0.98%;Zr:≤0.2%;余量为Ni及不可避免的杂质。
2.根据权利要求1所述的一种新型高电阻电热合金Cr20Ni80Al,其特征在于,化学成分及质量百分比为:C:0.05%;Si:1.20;Mn:0.40%;Fe2p:0.020%;S:0.01%;Cr:21.50%;Ti0.09%;Al:3.6%;Fe:0.98%;Zr:0.2%;余量Ni为71.95%。
3.根据权利要求1所述的一种新型高电阻电热合金Cr20Ni80Al,其特征在于,化学成分及质量百分比为:C:0.04%;Si:1.80;Mn:0.30%;Fe2p:0.15%;S:0.009%;Cr:21.50%;Ti0.09%;Al:3.6%;Fe:0.88%;Zr:0.1%;余量Ni为71.531%。
4.一种新型高电阻电热合金Cr20Ni80Al的制备方法,其特征在于,包括以下步骤:
(1)配料:按照前述的配比进行配料;
(2)熔炼:将配料好的原料放入非自耗电磁感应熔炼炉内,抽真空,冲入氩气,在2300摄氏度下进行熔炼30min,然后冷却2h,获得合金锭;
(3)锻造:锻造温度为1200-1300摄氏度,开锻温度为1200摄氏度;
(4)热轧盘条:将锻造后的方棒进行热轧盘条,热轧温度为1200-800摄氏度,开轧温度为1200摄氏度,终轧温度为800摄氏度;
(5)退火:将热轧盘条放入真空热处理炉内,在真空度为1×1000Pa,温度为800-1000下保温12h,然后随炉冷却;
(6)漂洗。
5.根据权利要求1所述的一种新型高电阻电热合金Cr20Ni80Al,其特征在于,所述Fe2p的制备方法为:
将纯度为99.8%的Fe粉和纯度为99.999%的红磷按化学配比称量后,在高真空环境下用振动球磨机进行球磨,球磨过程中,在球磨时间为50h时,将球磨50h的产品在390MPa下压成块状,然后将块状产品密封在石英管内进行抽真空处理,最后在20kPa氩气气氛下将产品在1273K的温度下烧结5h后随炉冷却至室温。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB573077A (en) * | 1942-03-23 | 1945-11-06 | James William Lennox | Process for the manufacture of articles or masses from metal powders |
CN102191409A (zh) * | 2011-04-22 | 2011-09-21 | 江苏新华合金电器有限公司 | 一种新型高电阻电热合金材料及其制备方法 |
CN104789815A (zh) * | 2015-03-24 | 2015-07-22 | 江苏新华合金电器有限公司 | 一种高电阻铬镍电热合金及其制备工艺 |
CN109055823A (zh) * | 2018-07-02 | 2018-12-21 | 江苏新华合金电器有限公司 | 新型高电阻电热合金Cr20Ni80Al及其制备方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB573077A (en) * | 1942-03-23 | 1945-11-06 | James William Lennox | Process for the manufacture of articles or masses from metal powders |
CN102191409A (zh) * | 2011-04-22 | 2011-09-21 | 江苏新华合金电器有限公司 | 一种新型高电阻电热合金材料及其制备方法 |
CN104789815A (zh) * | 2015-03-24 | 2015-07-22 | 江苏新华合金电器有限公司 | 一种高电阻铬镍电热合金及其制备工艺 |
CN109055823A (zh) * | 2018-07-02 | 2018-12-21 | 江苏新华合金电器有限公司 | 新型高电阻电热合金Cr20Ni80Al及其制备方法 |
Non-Patent Citations (1)
Title |
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许传才: "《铁合金冶炼工艺学》", 30 June 1994, 西北大学出版社, pages: 272 - 273 * |
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