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Effects of Casting Process on Ingot Microstructure and Forgeability of B30 Alloy
Author(s): 
Pages: 45-48
Year: Issue:  19
Journal: Hot Working Technology

Abstract: 研究了不同工艺参数的半连续铸造工艺对铸锭组织及可锻性的影响,并将常用于改善铸钢组织性能的电渣重熔工艺引入B30铜合金铸造.研究表明,铸锭的晶粒生长方向及晶粒大小与铸造速度和冷却强度有关;低铸造速度(<3m/h或停拉式)、大轴向冷却强度(冷却水量>8m3/h)可在铸锭组织中形成较多的斜向柱状组织,斜向生长且与铸锭轴向间夹角小于30°的细长柱状组织对发挥B30铸锭的可锻性有利;电渣重熔B30铸锭,可锻...
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