INTRODUCTION TO PATENTS  

出　　处：《China Foundry》2016年第5期368-370,共3页中国铸造（英文版）

摘　　要：The present invention provides a method for production of a metallic material from a semi-finished metallic billet, The semi-finished metallic billet includes a nanocrystaUine microstructure and/or an ultrafine-grained microstructure. The method includes the steps of （1） subjecting the semifinished metallic billet to a rotary incremental forming process to form an intermediate wrought metallic billet,2016-51.Method for production of performance enhanced metallic materials Patent No.:US2016045949(A1)Date of Patent:2016-02-18Inventors:Ali Yousefiani,et al Assignee:Boeing Co[US]The present invention provides a method for production of a metallic material from a semi-finished metallic billet.The semi-finished metallic billet includes a nanocrystalline microstructure and/or an

关 键 词：专利介绍 金属材料 超细晶组织 半成品 生产方法 纳米结构 变形金属 成形过程 

分 类 号：TG14[一般工业技术—材料科学与工程] U483.03[金属学及工艺—金属材料]