TA15钛合金动态再结晶晶粒生长模型

稀有金属材料与工程, 2010, 39(7): 1162-1165.

TA15钛合金动态再结晶晶粒生长模型

欧阳德来 ^1, , 鲁世强 ^2, , 崔霞 ^3, , 吴超 ^4, , 李鑫 ^5,

1.南京航空航天大学,江苏,南京,210016;南昌航空大学,江西,南昌,330063

2.南昌航空大学,江西,南昌,330063

3.南昌航空大学,江西,南昌,330063

4.南昌航空大学,江西,南昌,330063

5.南昌航空大学,江西,南昌,330063

基金项目: 江西省教育厅科技项目(GJJ08203) 江西省自然科学基金(2008GZC0041)

关键词：驱动力 , 晶粒生长模型 , TA15钛合金

Modeling of Grain Growth for Dynamic Recrystallization of TA15 Titanium Alloy

从理论上分析TA15钛合金动态再结晶晶粒生长驱动力,提出动态再结晶晶粒生长等效反驱动力的概念.基于动态再结晶晶粒生长驱动力,建立(描述动态再结晶晶粒尺寸演变)的晶粒生长速率模型及晶粒尺寸模型.以TA15钛合金动态再结晶晶粒尺寸实验测定数据为例,采用遗传算法(GA)优化尺寸模型参数.结果表明,模型计算结果与实验数据能够达到较好的吻合,平均误差为7.4%.

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材料期刊网

TA15钛合金动态再结晶晶粒生长模型

Modeling of Grain Growth for Dynamic Recrystallization of TA15 Titanium Alloy

参考文献