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叙述了与Cr12剪刃脆性断裂相关的检验结果。脱碳、回火不足、细小裂纹、残留奥氏作和磨削应力是导致剪刃脆性断裂的原因。
The test results related to the brittle fracture of the Cr12 blade are described. Decarburization, insufficient tempering, fine cracks, residual austenite and grinding stress are the causes of brittle fracture of the blade.