... fatigue notch factor 疲劳缺口系数 fatigue notch sensitivity 疲劳缺口灵敏度 fatigue of metal 金属的疲劳 ...
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Compared with the forging die steel, casting forging die steel although toughness is low, but high strength, red hardness is good, with low notch sensitivity and high resistance to thermal fatigue.
与锻造模具钢相比,铸造热锻模具钢虽然韧性低,但强度高、红硬性好,具有较低的缺口敏感性和较高的抗热疲劳性。
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