Effects of Ce and B on Microstructure and Properties of HSn70-1 Alloy

Sun Liping1; Lin Gaoyong1; Zou Yanming1; Wan Yingchun1; Zhang Shenghua1

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Effects of Ce and B on Microstructure and Properties of HSn70-1 Alloy
Vol. 30, Issue 3, Pages: 290-292(2010)
Published： 2010 ，
DOI：

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[1]孙利平,林高用,邹艳明,万迎春,张胜华.Ce和B对HSn70-1合金组织和性能的影响[J].特种铸造及有色合金,2010,30(03):290-292+196.

Sun Liping1, Lin Gaoyong1, Zou Yanming1, et al. Effects of Ce and B on Microstructure and Properties of HSn70-1 Alloy. [J]. Special Casting & Nonferrous Alloys 30(3):290-292(2010)
[1]孙利平,林高用,邹艳明,万迎春,张胜华.Ce和B对HSn70-1合金组织和性能的影响[J].特种铸造及有色合金,2010,30(03):290-292+196. DOI：

Sun Liping1, Lin Gaoyong1, Zou Yanming1, et al. Effects of Ce and B on Microstructure and Properties of HSn70-1 Alloy. [J]. Special Casting & Nonferrous Alloys 30(3):290-292(2010) DOI：

摘要

在HSn70-1合金中添加适量稀土Ce的同时再添加不同含量的B

利用金相显微镜、拉伸试验、扫描电镜、静态腐蚀试验及X射线衍射分析

研究了B对HSn70-1合金组织与性能的影响。结果表明

添加0.10%的Ce和0.03%的B（质量分数）

HSn70-1合金的力学性能和耐蚀性能显著提高;B的加入对HSn70-1合金组织细化作用不明显

但添加0.03%的B使得合金中的第二相分布均匀、弥散。

Abstract

Effects of B addition on the microstructure and properties of HSn70-1 alloy containing proper Ce were investigated by means of optical microscope（OM）

tensile testing

scanning electron microscope（SEM）

static corrosion testing and X-ray diffraction analysis.The results reveal that mechanical properties and corrosion resistance of HSn70-1 alloy can be improved obviously by adding 0.10%Ce and 0.03%B.Although B addition has little effects on the refinement of HSn70-1 alloy

0.03%B can make second phase uniformly and dispersedly distribute in the alloy.