NUMERICAL SIMULATION AND EXPERIMENT OF CAVITY GROWTH DURING SUPERPLASTIC BULGING OF MAGNESIUM ALLOY

来源 :金属学报:英文版 | 被引量 : 0次 | 上传用户:ORKGJBNLRBKJGWIJG
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Numerical simulation and experimental studies on cavity growth were carried out during the bulging process of superplastic magnesium Alloy. A three-dimensional rigidviscoplastic finite element program has been developed and applied to predict the cavity r
其他文献
Nanometer Zn particles with mean diameters 12-100nm made by evaporating its powders in argon gas were studied mainly by X-ray diffraction and electron microscop
一、马克思的分配理论 早在100多年前,马克思就指出,工资是劳动力价值的转化形式。劳动力价值的实现,有一个最低限度,即能够维持劳动力简单再生产的收入水平。劳动力价值除包括三个组成部分外还受到历史的和道德的因素影响。今天的劳动力价值基本构成中,“历史上”、“道德上”的因素,往往让人很难实施。不能教条式地理解马克思的思想。我们应深刻理解马克思思想中的精髓,深入研究当今现实问题。
The technology of plasma arc was used to modify the interface adhesion between chromium coating and steel substrate. The interface microstructure was studied as
Due to complexities of draw-bead restraining force calculated according to theory anddepending on sheet metal forming properties experiment testing system, a si
The ductility map of 304HC stainless was determined by using the Gleeble-1500 dy-namic thermal-mechanical simulator. The effect of Cu on the hot ductility of 30
山东丛林集团近日』顷利通过美国船级社(ABS)项目认证。ABS是世界第二大船级社,占据全球船舶入级30%的份额。载至目前,丛林铝业已通过DNV扩项(挪威船级社)、ABS(美国船级社)及CCS(中国
The halide-activated pack cementation method is utilized to codeposit aluminum and silicon on Mo substrate. Emphasis is placed on the microstructure and elevate
目的探讨心理健康护理在缓解糖尿病患者忧郁、焦虑及恐惧心理中的临床效果。方法以2010年4月—2012年5月间本院内分泌科有精神障碍的230例糖尿病住院患者为研究对象。随机分
The influences of plating bath solution PH and current density on coercivity of electroplating CoNdNiMnP permanent magnetic film arrays were studied. The experi
目的探讨基层医院开展临床药学服务的方法。方法通过加强药学专业技术人员专业素质提高、病历分析、处方点评、临床会诊、参与病案讨论、用药咨询、临床合理用药指导和药物不