2005, Volume 7, Issue 4
Strategic Study of CAE >> 2005, Volume 7, Issue 4
Study on the Formation and Elimination of Coarse Grains in Cast Steel
1. Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment , Xiangtan , Hunan 411201 , China
2. School of Materials Science and Engineering , Shanghai Jiaotong University , Shanghai 200030 , China
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Abstract
The relation between coarse grain and rupture of casts was found through analyzing the formation of coarse grains and tests for eliminating coarse grains on ZG32Cr06 cast steel. The results of tests show that the coarse grains, as a results of too high casting temperature and the premature trunk opening in water explosion blast cleaning , can be eliminated by heat treatment. The measures for preventing coarse grains in casts were proposed.
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