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标题 |
轴承磁粉探伤时实物试块与A型试片的关系(35 卷) |
英文标题 |
The Relationship Between Actual Calibration Block and A-type of Calibration Piece During the Magnetic Powder Flaw Detection on Bearings |
摘要 |
目前,国内磁粉探伤常用A型灵敏度试片的显示来表征探伤系统灵敏度,衡量磁化工艺参数。经试验,机车车辆轴承磁粉探伤时,由于轴承钢具有高矫顽力,灵敏度试片只能显示磁场方向,不能真实反映磁化工艺参数,应采用实物试块。 |
作者 |
新闻作者:黄永巍 |
关键字 |