15CrMo厚壁合金管


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15CrMo厚壁合金管

15CrMo厚壁合金管
微束等离子弧熔凝处理15CrMo厚壁合金管的组织和性能

微束等离子弧熔凝处理15CrMo厚壁合金管的组织和性能  

前言:利用微束等离子弧对15CrMo厚壁合金管 表面进行熔凝处理,研究了熔凝后各区域的组织和性能。采用光学显微镜、显微硬度仪、磨损试验机、电化学腐蚀试验等方法对各区域进行了测试分析。结果表明,经微束等离子弧熔凝处理后试样剖面由熔凝区、热影响区和基体三部分组成。15CrMo厚壁合金管 基体组织为铁素体和珠光体组织,熔凝区组织为马氏体组织,热影响区晶粒大小不一,组织不均匀。熔凝区和热影响区的显微硬度和耐磨性明显高于基体,其显微硬度值约为基体的2倍。电化学试验表明经微束等离子弧表面熔凝处理后可提高试样表面的抗腐蚀性能

Introduction: the use of micro-plasma arc on the 15CrMo thick-walled alloy tube surface melting process, after the melting of the regional organization and performance. Optical microscope, micro hardness tester, abrasion tester, electrochemical corrosion test methods such as analysis of the regions tested. Results showed that the micro-beam plasma arc melting profile of the treated sample by the melting zone, heat affected zone and the matrix of three parts. 15CrMo thick wall alloy tube matrix structure of ferrite and pearlite, melting zone of the martensite, heat-affected zone grain sizes, organization uneven. Melting zone and heat affected zone hardness and wear resistance significantly higher than the matrix, the matrix micro-hardness value of approximately 2 times. Electrochemical experiments show that by micro-plasma arc surface melting treatment can improve the corrosion resistance of the sample surface以上15CrMo厚壁合金管相关信息知识由天津市广泰德钢管销售有限公司专业提供,详情点击:www.tjgg002.com

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