砂型重力铸造纯Pb的组织与性能

张永皞; 孙明艳; 刘建辉

doi:10.15980/j.tzzz.2018.11.030

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砂型重力铸造纯Pb的组织与性能
Microstructure and Properties of Pure Pb Manufactured by Sand Mold Gravity Casting
2018年38卷第11期页码：1274-1276
纸质出版日期： 2018 ，
DOI： 10.15980/j.tzzz.2018.11.030

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[1]张永皞,孙明艳,刘建辉.砂型重力铸造纯Pb的组织与性能[J].特种铸造及有色合金,2018,38(11):1274-1276.

Zhang Yonghao, Sun Mingyan, Liu Jianhui. Microstructure and Properties of Pure Pb Manufactured by Sand Mold Gravity Casting[J]. Special Casting & Nonferrous Alloys, 2018,38(11):1274-1276.
[1]张永皞,孙明艳,刘建辉.砂型重力铸造纯Pb的组织与性能[J].特种铸造及有色合金,2018,38(11):1274-1276. DOI： 10.15980/j.tzzz.2018.11.030.

Zhang Yonghao, Sun Mingyan, Liu Jianhui. Microstructure and Properties of Pure Pb Manufactured by Sand Mold Gravity Casting[J]. Special Casting & Nonferrous Alloys, 2018,38(11):1274-1276. DOI： 10.15980/j.tzzz.2018.11.030.

摘要

采用砂型重力铸造的方式制备纯Pb棒材

并表征和分析了铸件的成分、组织及物理性能。结果表明

相对于原始Pb锭

砂型铸造纯Pb棒材的微观组织明显细化

组织均匀性也得以显著提高

同时形成了较强的{113}织构。通过严格的工艺措施

有效控制了杂质元素的引入和铸造缺陷的产生

铸件的各项物理性能良好。

Abstract

The pure Pb rod was manufactured by sand mold gravity casting.Microstructure

chemical composition as well as physical properties of the casting ingot were characterized and analyzed by SEM

TEM and EDS.The results show that microstructure of the pure Pb is refined with more uniform size distribution.A strong{113}<uvw>type texture is formed during the casting process.The induction of impurities and the formation of casting defects can be well controlled through strictly technical measures

so the ingots with good physical properties are obtained through sand mold gravity casting.