Internal fatigue cracks occurred in the fracture of a quenched and tempered carburizedsteel specimen under tension-tension fatigue loads are discussed in this paper.
本文对淬火加回火渗碳钢的拉伸一拉伸疲劳断口进行了内裂纹的分析和研究。
2
The effect of adding RE in low carbon steel on carburized layer is studied.
研究了低碳钢中加入RE后对渗碳层的影响。
3
The simulating results fits the measured hardness about the 20 steelcarburized and quenching. It indicates that this method is feasible, and has more practical and operating manual.