gradient hardness
英 [ˈɡreɪdiənt ˈhɑːdnɪs]
美 [ˈɡreɪdiənt ˈhɑrdnəs]
网络 分级硬度
双语例句
- The result showed that there was obvious gradient in the distribution of the hardness and microstructure of the composite layer.
研究结果表明，复合材料层的硬度及显微组织分布均存在明显的梯度。 - The scratch test and the indentation test were used to estimate the adhesion between the coating and gradient cemented carbide substrates and the indentation test was better when the thickness and the hardness of coatings were bigger.
采用划痕法与压痕法评价了梯度硬质合金上金刚石涂层的附着情况，压痕法对厚度较大、硬度较高的涂层更优越。 - The result showed that the centrifugal casting made the WC particles appear gradient distribution, the hardness of composites displayed gradual lower inward, and the transition zone was strengthened.
结果表明，离心铸造使WC颗粒呈梯度分布，硬度由表及里呈现逐渐降低的趋势，过渡区得到强化； - A gradient deposit of n-Al_2O_3/ Ni was prepared at a constant current density. The hardness of the coating increased with increase of the deposit thickness.
采用恒电流电沉积工艺制备了纳米Al2O3Ni梯度镀层，镀层显微硬度由内到外逐渐增加。 - In deep formations of Daqing oilfield, it has high geothermal gradient, high degree of hardness and abrasivity. Compared daqing deep well drilling technology with the international advanced level, there is great gap between them.
由于大庆油田深层具有地温梯度高、岩石硬度高、研磨性强等特点，目前大庆深井钻井技术与国内外先进水平相比，仍存在一定的差距。 - The Vickers hardness shows that there exists gradient hardness at the Al/ AZ31 interface diffusion layer.
对Al/AZ31界面扩散层的局部显微硬度表征表明，扩散层存在硬度梯度。 - The gradient distribution of the hardness, itself high hardness and low plasticity led the side of seam to stress concentration and fracture prior to welding seam.
焊缝与母材间的硬度差及焊缝本身的高硬度、低塑性等原因导致了焊缝一侧容易产生应力集中，先于焊缝断裂。 - The microhardness of Ni/ WC gradient coating increases continuously from interface to the surface, and the highest hardness of surface can reach 1400 HV, which is about eight times of the substrate.
Ni/WC梯度涂层的显微硬度从界面到表面连续增大，表面最高硬度可达到1400HV，约为基体硬度的8倍。