R3S级C型梨形卸扣的热处理工艺改进  

Improvement on Heat Treatment Process of R3S C-type Pear Shaped Kenter Shakcle

作　　者：张明[1] 张少宗[1] 李剑 邵云亮 

机构地区：[1]上海交通大学材料科学与工程学院,上海200030 [2]江苏亚星锚链股份有限公司,江苏靖江214533

出　　处：《热处理技术与装备》2013年第6期20-22,共3页Heat Treatment Technology and Equipment

摘　　要：随着海洋事业的快速发展,海洋工程对系泊附件的性能要求越来越高。热处理工艺是R3S系泊附件制造过程中的关键技术之一。本文对R3S级C型梨形卸扣的淬火＋回火热处理工艺进行了改进,研究了890~930℃一次淬火＋（820~890）℃二次淬火＋回火对梨形卸扣冲击韧性的影响,使其满足船级社的规范要求。With the rapid development of offshore industry, the requirements on mechanical properties of mooring chain accessory are also exigent. The heat treatment is the key process that will affect the perform- ance of R3S mooring chain accessory. This paper improves the heat treatment technology of quenching ＋ tempering for the traditional cycle. The influence of 890 -930 ℃ quenching ＋ （820 - 890）℃ secondary quenching ＋ tempering to impact toughness is studied to make sure the final properties meeting the requirements of classification societies.

关 键 词：热处理 两淬一回 冲击韧性 

分 类 号：TG162[金属学及工艺—热处理]