Effect of Mo Content on Microstructure and Mechanical Property of Mo-Ni-B Surfacing Alloy

WEN Yongce; SUN Junsheng; JIAO Enli; LI Zhengjie; ZHAO Leping

doi:10.16080/j.issn1671-833x.2017.13.054

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Effect of Mo Content on Microstructure and Mechanical Property of Mo-Ni-B Surfacing Alloy

更新时间：2026-04-17

- Effect of Mo Content on Microstructure and Mechanical Property of Mo-Ni-B Surfacing Alloy
- Aeronautical Manufacturing Technology Vol. 60, Issue 13, Pages: 54-59(2017)
- 作者机构：
  
  1. 山东大学材料液固结构演变与加工教育部重点实验室,济南,250061
  2. 江苏德龙镍业有限公司,盐城,224000
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2017.13.054
  CLC：
- Published：2017
- 稿件说明：
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温永策1,2，孙俊生1,2，焦恩理1，李正阶1,2，赵乐平1. Mo含量对Mo-Ni-B堆焊合金组织和性能的影响*[J]. 航空制造技术, 2017, 60(13): 54-59.

WEN Yongce1,2, SUN Junsheng1,2, JIAO Enli1, LI Zhengjie1,2, ZHAO Leping1. Effect of Mo Content on Microstructure and Mechanical Property of Mo-Ni-B Surfacing Alloy. Aeronautical Manufacturing Technology, 2017, 60(13): 54-59.
温永策1,2，孙俊生1,2，焦恩理1，李正阶1,2，赵乐平1. Mo含量对Mo-Ni-B堆焊合金组织和性能的影响*[J]. 航空制造技术, 2017, 60(13): 54-59. DOI： 10.16080/j.issn1671-833x.2017.13.054.

WEN Yongce1,2, SUN Junsheng1,2, JIAO Enli1, LI Zhengjie1,2, ZHAO Leping1. Effect of Mo Content on Microstructure and Mechanical Property of Mo-Ni-B Surfacing Alloy. Aeronautical Manufacturing Technology, 2017, 60(13): 54-59. DOI： 10.16080/j.issn1671-833x.2017.13.054.

摘要

设计制备了Mo-Ni-B 系合金粉块新材料，采用TIG 堆焊工艺在Q235 钢基体上制备Ni 基三元硼化物堆焊合金。研究了合金粉块中Mo 含量对三元硼化物堆焊合金层组织、物相、硬度、耐磨性、耐蚀性的影响。结果表明，堆焊金属主要由三元硼化物Mo2M’B2、MoNi4、Mo5(B、Si)3、γ-（Fe，Ni，Mo，Cr）等相组成；Mo 含量对堆焊合金的显微组织有较大影响；随着合金粉块中Mo 含量的增加，堆焊合金和三元硼化物的显微硬度均明显下降；在所研究堆焊合金中，Mo 44.18% 的耐蚀性最好，Mo 37.53% 的堆焊合金的耐磨性能是Q235 钢的27.7 倍。

Abstract

New alloy powder blocks with Mo-Ni-B system were designed. Ni-based ternary boride deposited alloys were fabricated on Q235 steel substrates using argon arc welding process. Effect of Mo content on microstructure

phase

hardness

wear resistance and corrosion resistance of ternary boride deposited alloy was studied. The results show that the deposited metals consisted of ternary boride phases

such as Mo2M’B2

MoNi4

Mo5(B、Si)3

γ-（Fe，Ni，Mo，Cr）

etc. Besides

Mo content has a great influence on the microstructure of deposited metals. In this study

the alloy with 44.18% Mo content has the best corrosion resistance and the wear resistance of alloy with 37.53% Mo content is 27.7 times higher than Q235 steel.

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