講演情報
[120]Grain Refinement of Metallic Pipes by Severe Plastic Deformation through Multi-Pass High-Pressure Sliding (MP-HPS)
*唐 永鵬1、松田 恒輝1、堀田 善治1、瀧沢 陽一2、湯本 学2、小田切 吉治2 (1. 九大、2. 長野鍛工)
キーワード：
High-pressure sliding、Superplasticity、Grain refinement、Al-Mg-Sc alloy
The multi-pass HPS process was applied for grain refinement of a pipe form of an Al-Mg-Sc alloy. The pipe after the HPS processing exhibited superplasticity with total elongations well more than 400%.