Effect of Brazing Temperature on the Transition Layer Microstructure of the Steel and Sn Based Babbit Metal

Zhang Shengquan; Zhang Bo; Wang Yichun; Ding Yeli

doi:10.15980/j.tzzz.2016.07.007

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Effect of Brazing Temperature on the Transition Layer Microstructure of the Steel and Sn Based Babbit Metal
Vol. 36, Issue 7, Pages: 694-697(2016)
Published： 2016 ，
DOI： 10.15980/j.tzzz.2016.07.007

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[1]张胜全,张博,王一纯,丁业立.钎焊温度对锡基巴氏合金/钢基体过渡层组织的影响[J].特种铸造及有色合金,2016,36(07):694-697.

Zhang Shengquan, Zhang Bo, Wang Yichun, et al. Effect of Brazing Temperature on the Transition Layer Microstructure of the Steel and Sn Based Babbit Metal. [J]. Special Casting & Nonferrous Alloys 36(7):694-697(2016)
[1]张胜全,张博,王一纯,丁业立.钎焊温度对锡基巴氏合金/钢基体过渡层组织的影响[J].特种铸造及有色合金,2016,36(07):694-697. DOI： 10.15980/j.tzzz.2016.07.007.

Zhang Shengquan, Zhang Bo, Wang Yichun, et al. Effect of Brazing Temperature on the Transition Layer Microstructure of the Steel and Sn Based Babbit Metal. [J]. Special Casting & Nonferrous Alloys 36(7):694-697(2016) DOI： 10.15980/j.tzzz.2016.07.007.

摘要

采用钎焊的方法将锡基巴氏合金与钢基体结合起来

系统研究了钎焊温度对锡基巴氏合金/钢基体焊缝组织和性能的影响。研究表明

钎焊可以使得锡基巴氏合金和钢基体结合良好

随着钎焊温度的升高

产生了垂直于界面生长的树枝状组织

锡基巴氏合金晶粒组织长大

锡基巴氏合金/钢基体焊缝区域显微硬度先增加后降低。当钎焊温度为320

40℃时硬度（HV）达到141.3

46.2

钎焊过程中产生了Fe和Sn的迁移

Cu在过渡层有富集。

Abstract

The effects of brazing temperature on the microstructure and properties of the Babbitt metal/steel matrix were investigated.The results show that the tin based Babbitt alloy and steel substrate with good bonding can be observed by brazing.With increasing in brazing temperature

dendritic structure in a vertical to the interface growth is generated

and grains in Sn matrix Babbitt alloy is coarsened up

so the weld microhardness of tin based Babbitt alloy/steel substrate region is increased firstly and then decreased.With the brazing temperature of 320

40℃

the micro hardness of the alloy reaches141.3

46.2HV

meanwhile

the migration of Fe and Sn can be observed in brazing process

and Cu is enriched in the transition layer.