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STRESSES AND CRACKING DURING DIRECT CHILL CASTING OF AZ31 ALLOY BILLET

机译：AZ31合金坯料直接寒冷铸造期间的应力和开裂

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The Alsim FEM model which has been applied to aluminum DC casting was applied to the problem of crack formation during vertical direct chill casting of magnesium alloys. The model is a fully coupled thermal stress model. Predictions were compared to crack incidence observed for a variety of cast start speed conditions used on AZ31 alloy, 208 mm diameter billet casting. Crack incidence was related to the pool depth development and other criteria such as the liquid pressure in the mush. The model can be used to develop improved starting head designs and cast start practices.

机译：应用于铝DC铸件的ALSIM FEM模型应用于镁合金垂直直接冷却铸造期间的裂缝形成问题。该模型是一个完全耦合的热应力模型。将预测与在AZ31合金，直径208mm直径的坯料铸件上使用的各种浇注开始速度条件观察到的裂缝发病率。裂缝发病率与游泳池深度开发和其他标准如糊状物中的液体压力有关。该模型可用于开发改进的起始头设计和铸造开始实践。

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来源
《TMS Annual Meeting Exhibition》|2009年||共5页
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作者
J. F. Grandfield; V. Nguyen; I. F. Bainbridge;
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原文格式 PDF
正文语种
中图分类 TG146.22-532;
关键词
Direct chill casting; AZ31; Magnesium; Hot tearing;

机译：直接寒冷铸造;AZ31;镁;热撕裂;

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专利

1. AZ31镁合金摩擦搅拌焊在慢拉伸应力腐蚀过程中的组织演化和氢致延迟开裂 [J] . 曾荣昌, Wolfgang DIETZEL, Rudolf ZETTLER, 中国有色金属学报（英文版） . 2014,第010期
2. AZ31镁合金摩擦搅拌焊在慢拉伸应力腐蚀过程中的组织演化和氢致延迟开裂 [J] . 曾荣昌, Wolfgang DIETZEL, Rudolf ZETTLER, 中国有色金属学报：英文版 . 2014,第010期
3. Thermal-stress Simulation of Direct-chill Casting of AZ31 Magnesium Alloy Billets [J] . HU Hongjun, ZHANG Dingfei, PAN Fusheng, 武汉理工大学学报：材料科学英文版 . 2009,第003期

机译：AZ31镁合金钢坯直接冷铸的热应力模拟
4. Numerical simulation of thermal stress in cast billets made of AZ31 magnesium alloy during direct-chill casting [J] . Hu Hongjun, Zhang Dingfei, Yang MingBo Journal of Manufacturing Processes . 2008,第2期

机译：AZ31镁合金铸坯直接冷铸过程中热应力的数值模拟
5. Cold-Cracking Assessment in AA7050 Billets during Direct-Chill Casting by Thermomechanical Simulation of Residual Thermal Stresses and Application of Fracture Mechanics [J] . M. Lalpoor, D.G. Eskin, L. Katgerman Metallurgical and Materials Transactions A . 2009,第13期

机译：残余热应力的热力模拟和断裂力学的应用在冷铸AA7050钢坯中的冷裂评估
6. STRESSES AND CRACKING DURING DIRECT CHILL CASTING OF AZ31 ALLOY BILLET [C] . J. F. Grandfield, V. Nguyen, I. F. Bainbridge TMS Annual Meeting Exhibition . 2009

机译：AZ31合金坯料直接寒冷铸造期间的应力和开裂
7. Thermal stress prediction for direct-chill casting of a high strength aluminum alloy. [D] . Wan, Jian. 1998

机译：高强度铝合金直接冷铸的热应力预测。
8. Microstructures and Macrosegregation of Al–Zn–Mg–Cu Alloy Billet Prepared by Uniform Direct Chill Casting [O] . Li Zhou, Yajun Luo, Zhenlin Zhang, 2021

机译：通过均匀直接冷凝铸造制备的Al-Zn-Mg-Cu合金坯料的微观结构和宏观测定
9. Cold-Cracking Assessment in AA7050 Billets during Direct-Chill Casting by Thermomechanical Simulation of Residual Thermal Stresses and Application of Fracture Mechanics [O] . M. Lalpoor, D. G. Eskin, L. Katgerman 2015

机译：直接冷硬铸造aa7050钢坯冷缺陷热残余热应力模拟评估及断裂力学应用

STRESSES AND CRACKING DURING DIRECT CHILL CASTING OF AZ31 ALLOY BILLET

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