The quenching distortion and crack of the gears were analyzed by means of metallograph and SEM.

通过金相检验和扫描电镜等检测手段对齿轮淬火畸变与开裂进行了分析.

The law and the theory act together, which is probably the main reason for the quenching distortion of work pieces.

它们可能是引起工件超差淬火变形的重要原因。