high strength steel washer
高强度平钢垫圈 High Strength Plain Steel Washer
·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明：弹性垫圈断口为典型的沿晶断裂，在断裂的晶面上有细小的爪状纹和微孔。此为高强度钢氢脆断口的特征。
The result shows that it was the typical intergranular fracture, and there were scrappy claw and tiny pore in the fracture of crystal face.
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