船用碳锰钢锻件近表面密集性缺陷分析  

Analysis on Subsurface Close Defects of Marine Carbon Manganese Steel Forgings

作　　者：曹福顺 张玉亭 Cao Fushun;Zhang Yuting

机构地区：[1]石钢京诚装备技术有限公司,辽宁115004

出　　处：《大型铸锻件》2019年第1期41-42,54,共3页Heavy Casting and Forging

摘　　要：我公司生产的船用碳锰钢锻件存在近表面密集性缺陷,部分因超声检测不合格导致报废。通过采取提高过热度等措施,大幅地提高了船用锻件的超声检测合格率。Subsurface close defects existed in marine carbon manganese steel forgings produced by our company,some products were failed for ultrasonic detection.By applying measures of increasing overheating degree,pass percentage of ultrasonic detection for marine forgings have been improved evidently.

关 键 词：碳锰钢锻件 近表面缺陷 超声检测 

分 类 号：TG316.192[金属学及工艺—金属压力加工]