The mechanical properties results show that the fracture toughness and Vickers hardness of the 70W_2B_5/C composite increase with the sintering temperature.
力学性能测试结果表明，随着烧结温度的升高，70W_2B_5/C复合材料的断裂性与维氏硬度均增加。
The results show that the steel with 0.60%c possesses higher strength and hardness but lower plasticity, toughness and higher decarburization tendency.
结果表明碳、硅可提高强度、硬度。但含0.60%C的钢塑性、韧性较低，脱碳倾向也大。
The basic principles and practical applications of measurement uncertainty are introduced by evaluating and analyzing measurement of metal Rockwell hardness c.
通过对金属洛式硬度C标尺的不确定度评定与分析，介绍了不确定度的基本原理及其在硬度实验中的实践应用。
C... and in this condition, uniform, harder and tighter with the basal body of the sample can be gained. Moreover, more time, thicker film, but less hardness.
而且随着氧化时间的增加，可以得到相对较大的膜厚度，但膜硬度相对降低。
C. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. D.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
All materials used in mold construction are to correspond to the material list and are to be stamped accordingly on the back or sides of units (Type and R. C. hardness).
模具所有结构件的材料必须符合材料清单，并且在背面或侧面刻印材料型号以及HRC硬度。
All materials used in mold construction are to correspond to the material list and are to be stamped accordingly on the back or sides of units (Type and R. C. hardness).
模具所有结构件的材料必须符合材料清单，并且在背面或侧面刻印材料型号以及HRC硬度。
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