The general yield load, stress and strain rate ahead of notches of I specimens with larger plastic constraint is larger than that of V specimens with small plastic constraint.
塑性拘束较大的直缺口试样(i)的整体屈服载荷及缺口前的应力、应变和应变率比塑性拘束较小的V缺口试样(V)大。
The influence of phosphorus and grain size on yield strength and Charp V-notch toughness of low carbon steels have been investigated.
研究了磷含量和晶粒尺寸对低碳钢的屈服强度、 冲击韧性和韧脆转变温度的影响。
The V-P-O catalyst for oxidation of n-butane to maleic anhydride was prepared. High yield of maleic anhydride was obtained over the catalyst under suitable reaction conditions.
研制的V - P - O型固定床丁烷氧化制顺酐催化剂，在一定的反应条件下，可得到较高的顺酐收率。
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