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xi tu yuan su dui gang de zhi jing pian xi de ying xiang
Pages: 18-25
Year: Issue:  5
Journal: Ordnance Material Science and Engineering

Keyword:  枝晶偏析元素对合金元素带状组织浓度差液相线固相线扩散退火显微偏析有害杂质;
Abstract: <正> 钢液在凝固时,首先结晶出来的是含碳和含合金元素较低的固溶体,然后枝晶间隙才被含碳和含合金元素高的晶体所填满,因而形成枝晶偏析。当合金钢的液相线与固相线之间的距离较大时,液体中早期析出和后期析出的浓度差就会增加。这种枝晶偏析在
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