CN106756496A - 一种新型耐蚀耐磨耐高温合金材料及其制备方法 - Google Patents
一种新型耐蚀耐磨耐高温合金材料及其制备方法 Download PDFInfo
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- 239000000463 material Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052796 boron Inorganic materials 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 239000010936 titanium Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 239000011651 chromium Substances 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 239000011572 manganese Substances 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 3
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- 239000005864 Sulphur Substances 0.000 claims abstract description 3
- 239000010941 cobalt Substances 0.000 claims abstract description 3
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 239000010949 copper Substances 0.000 claims abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 3
- 239000011733 molybdenum Substances 0.000 claims abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 3
- 239000011574 phosphorus Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 8
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 108010038629 Molybdoferredoxin Proteins 0.000 claims description 5
- HBELESVMOSDEOV-UHFFFAOYSA-N [Fe].[Mo] Chemical compound [Fe].[Mo] HBELESVMOSDEOV-UHFFFAOYSA-N 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
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- 238000010079 rubber tapping Methods 0.000 claims description 5
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
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- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
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- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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Abstract
本发明涉及一种新型耐蚀耐磨耐高温合金材料，具体而言，本发明的新型耐蚀耐磨耐高温合金材料包含以重量百分比计的下列组分：0.05～0.1％的硼；1.0～1.5％的碳；0.5～1.0％的硅；0.05～0.1％的磷；0.05～0.1％的硫；30～35％的铬；3～6％的锰；0.05～0.1％的钴；2～4％的镍；1.0～1.5％的钼；0.5～1.5％的铜；1.0～1.5％的钛；余量的铁。本发明使用了微合金化技术，加入了Cr、Mn、Ni、B、Ti等合金元素，大幅度提高了材料的力学性能，既保证了较高的耐蚀性能，还提高了耐腐蚀性、耐磨性及耐高温性能，可以广泛应用于石油、化工、冶金等领域。
Description
技术领域
本发明属于合金材料技术领域，涉及一种新型耐蚀耐磨耐高温合金材料及其制备方法。
背景技术
众所周知，在石油、化工、冶金、采矿、电力、煤炭、国防、军工等领域中均会大量使用泵、阀门、管道等产品，而这些产品往往需要在恶劣条件(如接触硫酸、盐酸、磷酸、氢氟酸等强腐蚀化合物、处于高磨损状态、处于高温高腐环境中等)下运行，并且上述行业对相关产品的需求量较大，因此亟需开发耐蚀耐磨耐高温材料来满足相关产品的生产需求。
发明内容
针对上述情况，本发明的目的在于提供一种新型耐蚀耐磨耐高温合金材料及其制备方法。
为了实现上述目的，本发明采用以下技术方案：
一种新型耐蚀耐磨耐高温合金材料，其包含以重量百分比计的下列组分：0.05～0.1％的硼；1.0～1.5％的碳；0.5～1.0％的硅；0.05～0.1％的磷；0.05～0.1％的硫；30～35％的铬；3～6％的锰；0.05～0.1％的钴；2～4％的镍；1.0～1.5％的钼；0.5～1.5％的铜；1.0～1.5％的钛；余量的铁。
一种新型耐蚀耐磨耐高温合金材料的制备方法，其包括如下步骤：
1、以1Cr18Ni9Ti不锈钢(SUS321)作为底料，底料质量为总量的75～80％，再配制中碳铬铁12～15％，底料与中碳铬铁的质量之和大于等于总量的93％且小于95％，然后根据成品的元素组成对原料化学成分要求进行精确计算，按计算所得的质量加入钼铁4～5％、钛铁1～3％、硼铁0.5～1％，后面三种原料加入量之和≤总量的7％；
2、在可控硅中频感应电炉内进行，采用不氧化法，熔炼温度为1600～1700℃，熔炼时间为每炉2小时，出钢温度为1500～1550℃；
3、采用砂型工艺、干型加涂料或精密铸造工艺浇铸铸件；
4、将铸件加热至800～850℃，进行炉冷退火。
与现有技术相比，本发明使用了微合金化技术，加入了Cr、Mn、Ni、B、Ti等合金元素，大幅度提高了材料的力学性能，既保证了较高的耐蚀性能，还提高了耐腐蚀性、耐磨性及耐高温性能，可以广泛应用于石油、化工、冶金等领域。
具体实施方式
下面将结合具体实施例来进一步说明本发明的技术方案。需要注意的是，这些实施例仅用于解释本发明，而并不以任何方式来限制本发明。
实施例1：新型耐蚀耐磨耐高温合金材料的制备。
以1Cr18Ni9Ti不锈钢640kg作底料，再配料中碳铬铁104kg，然后加入钼铁32kg、钛铁16kg、硼铁8kg；在可控硅中频感应电炉内进行熔炼，采用不氧化法，熔炼温度为1600℃，熔炼时间为每炉2小时，出钢温度为1500℃；采用砂型工艺浇铸铸件；将铸件加热至800℃，进行炉冷退火。
实施例2：新型抗静电聚丙烯材料的制备。
称量聚丙烯100份、直新型耐蚀耐磨耐高温合金材料的制备。
以1Cr18Ni9Ti不锈钢680kg作底料，再配料中碳铬铁64kg，然后加入钼铁32kg、钛铁16kg、硼铁8kg；在可控硅中频感应电炉内进行熔炼，采用不氧化法，熔炼温度为1600℃，熔炼时间为每炉2小时，出钢温度为1500℃；采用砂型工艺浇铸铸件；将铸件加热至800℃，进行炉冷退火。
实施例3：新型耐蚀耐磨耐高温合金材料的制备。
以1Cr18Ni9Ti不锈钢660kg作底料，再配料中碳铬铁84kg，然后加入钼铁32kg、钛铁16kg、硼铁8kg；在可控硅中频感应电炉内进行熔炼，采用不氧化法，熔炼温度为1600℃，熔炼时间为每炉2小时，出钢温度为1500℃；采用砂型工艺浇铸铸件；将铸件加热至800℃，进行炉冷退火。
实施例4：新型耐蚀耐磨耐高温合金材料的性能测试。
经测试，实施例1～3中生产的合金材料技术性能指标如下：
1、室温力学性能：
σb＝1000～1100MPa；
σ0.2＝600～700MPa；
δ5＝12～18％；
ak＝20～35J/cm2；
HRc＝50～60。
2、耐腐蚀性能：
(1)甲酸(浓度50％)，在50℃时，腐蚀速率为1.2mm/a；
(2)硝酸(浓度90％)，在90℃时，腐蚀速率为0.7mm/a；
(3)硫酸(浓度5％)，在80℃时，腐蚀速率为0.7mm/a；
(4)磷酸(浓度85％)，在80℃时，腐蚀速率为0.7mm/a；
(5)盐酸(浓度30％)，在80℃时，腐蚀速率为3.0mm/a。
3、高温抗氧化性：
1100～1200℃。
Claims (2)
1.一种新型耐蚀耐磨耐高温合金材料，其包含以重量百分比计的下列组分：0.05～0.1％的硼；1.0～1.5％的碳；0.5～1.0％的硅；0.05～0.1％的磷；0.05～0.1％的硫；30～35％的铬；3～6％的锰；0.05～0.1％的钴；2～4％的镍；1.0～1.5％的钼；0.5～1.5％的铜；1.0～1.5％的钛；余量的铁。
2.一种根据权利要求1所述的新型耐蚀耐磨耐高温合金材料的制备方法，其包括如下步骤：
(1)以1Cr18Ni9Ti不锈钢作为底料，底料质量为总量的75～80％，再配制中碳铬铁12～15％，底料与中碳铬铁的质量之和大于等于总量的93％且小于95％，然后根据成品的元素组成对原料化学成分要求进行精确计算，按计算所得的质量加入钼铁4～5％、钛铁1～3％、硼铁0.5～1％，后面三种原料加入量之和≤总量的7％；
(2)在可控硅中频感应电炉内进行，采用不氧化法，熔炼温度为1600～1700℃，熔炼时间为每炉2小时，出钢温度为1500～1550℃；
(3)采用砂型工艺、干型加涂料或精密铸造工艺浇铸铸件；
(4)将铸件加热至800～850℃，进行炉冷退火。
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