| 15NiMoSiCr10钢在柴油机渗碳针阀体上的应用研究 |
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| 引用本文： | 杨欢,冉启燕,王波,包涛,林文源,周桂锋,余法松.15NiMoSiCr10钢在柴油机渗碳针阀体上的应用研究[J].铸造技术,2020(4):319-323. |
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| 作者姓名： | 杨欢 冉启燕 王波 包涛 林文源 周桂锋 余法松 |
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| 作者单位： | 中海油能源发展装备技术有限公司深圳分公司关键设备技术中心;中海石油（中国）有限公司深圳分公司生产作业部;中海石油（中国）有限公司深圳分公司陆丰油田作业区;重庆红江机械有限责任公司技术中心;重庆红江机械有限责任公司船舶与海洋工程动力系统国家工程实验室 |
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| 摘 要： | 15NiMoSiCr10是引进用于生产柴油机渗碳针阀体的新钢种。对该钢的化学成分、金相组织以及力学性能等进行了检测分析,探讨了其最佳热处理工艺,并对比研究了15NiMoSiCr10与传统的18CrNi8钢的抗回火稳定性。结果表明,当回火温度为300℃时,15NiMoSiCr10针阀体的座面硬度可达715 HV1(61 HRC),具有高抗回火稳定性,且金相组织良好;15NiMoSiCr10可以满足新型高端柴油机对针阀体材料的使用要求,为针阀体选材开辟了新的方向。
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| 关 键 词： | 柴油机 15NiMoSiCr10钢 高抗回火稳定性 渗碳针阀体 |
Application Research of 15NiMoSiCr10 Steel on Carburizing Needle Valve Nozzle of a Diesel Engine |
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| YANG Huan,RAN Qiyan,WANG Bo,BAO Tao,LIN Wenyuan,ZHOU Guifeng,YU Fasong.Application Research of 15NiMoSiCr10 Steel on Carburizing Needle Valve Nozzle of a Diesel Engine[J].Foundry Technology,2020(4):319-323. |
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| Authors: | YANG Huan RAN Qiyan WANG Bo BAO Tao LIN Wenyuan ZHOU Guifeng YU Fasong |
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| Affiliation: | (Key Equipment Technology Center,CNOOC EnerTech Equipment Technology Co.,Ltd.,Shenzhen Co.,Shenzhen 518054,China;Production Department,CNOOC China Ltd.,Shenzhen,Shenzhen 518054,China;Lufeng Oilfield Operation,CNOOC China Ltd.,Shenzhen,Shenzhen 518054,China;Technical Center,Chongqing Hongjiang Machinery Co.,Ltd.,Chongqing 402160,China;National Engineering Laboratory for Marine Power System,Chongqing Hongjiang Machinery Co.,Ltd.,Chongqing 402160,China) |
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| Abstract: | The 15NiMoSiCr10 was a new steel used for producing diesel engine carburizing needle valve nozzle.The chemical composition,microstructure and mechanical properties of the steel were tested and analyzed.The optimum heat treatment process was discussed and the tempering stability of 15NiMoSiCr10 and traditional 18CrNi8 steel was compared.The results show that when the tempering temperature is 300℃,the surface hardness of 15NiMoSiCr10 needle valve can reach 715 HV1(61 HRC)with high tempering resistance and good microstructure.15NiMoSiCr10 can meet the requirements of new high-end diesel engine for the use of needle valve material,the needle valve nozzle material open up a new direction. |
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| Keywords: | diesel engine 15NiMoSiCr10 steel high tempering stability carburizing needle nozzle |
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