Origination and Elimination of Shrinkage Hole （Porosity） in Investment Steel Castings

Xu Yunxiang

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Origination and Elimination of Shrinkage Hole （Porosity） in Investment Steel Castings
Issue 1, Pages: 27-29(2002)
Published： 2002 ，
DOI：

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[1]许云祥,,,,,,,,,,李磊,,,,,,,,,,鲁蕊,,,,,,,,,,宋德国,,,,,,,,,,杨建东,,,,,,,,,,贾志明.熔模铸钢件缩孔(松)的防止[J].特种铸造及有色合金,2002(01):27-29+1.

Xu Yunxiang. Origination and Elimination of Shrinkage Hole （Porosity） in Investment Steel Castings. [J]. Special Casting & Nonferrous Alloys (1):27-29(2002)
[1]许云祥,,,,,,,,,,李磊,,,,,,,,,,鲁蕊,,,,,,,,,,宋德国,,,,,,,,,,杨建东,,,,,,,,,,贾志明.熔模铸钢件缩孔(松)的防止[J].特种铸造及有色合金,2002(01):27-29+1. DOI：

Xu Yunxiang. Origination and Elimination of Shrinkage Hole （Porosity） in Investment Steel Castings. [J]. Special Casting & Nonferrous Alloys (1):27-29(2002) DOI：

摘要

结合生产实例

系统阐述了防止熔模铸钢件缩孔（松）的主要措施 :其一是转移

即将缩孔由铸件中转移到浇注补缩系统中 ;其二是分散

即将缩孔分散成许多细微的缩松

Abstract

The key measutes for preventing shrinkage hole （porosity） in investment steel castings were expounded systemically based on actual production: （1） transfening: shrinkage holes transferred from casting into gating feeding system

（2） dispersion: shrinkage hole dispersed into much small shrinkage porosity.