SUPERPLASTICITY OF A WATER-QUENCHED AND TEMPERED 40Cr STEEL

• 作 者: X.J.Xu G.L.Liu L.JShi X.N.Chen
• 机 构: SchoolofMechanicalEngineering
• 出 处: 金属学报：英文版
• 发表日期: 2004年5期
• 关键词: 40Cr h-t MP superplasticity 40Cr steel quenching medium quenching times Micr

The superplastic deformation characteristics, of commercial 40Cr (i.e., 5140) steel that was water-quenched only 1 times and subsequent high-temperature tempered, were investigated.The results showed that the 40Cr steel has a fine grain of 10-15μm at room