One simple way of describing strength is in terms of surface hardness.
描述强度的一种最简单方法是以表面硬度来表示。
The grinding burn causes the surface hardness falling off and wear speeding up.
磨削烧伤使表面硬度下降，磨损加剧。
Thus, these rolls require a higher surface hardness and must be hardened to a greater depth.
因此，辊子需要较高的表面硬度和较深的硬化层深度。
Diamond CVD coating process is introduced to increase the surface hardness of cutting tools.
为增加切削刀具表面硬度引入了钻石化学蒸发沉淀涂层工艺。
The laser hardening material can effectively improve the surface hardness and wear resistance.
认为激光硬化处理能够有效地改善材料的表面硬度和耐磨性。
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
Methods: The surface hardness, compress strength, diametral tensile strength of composites were measured.
方法：测定材料的硬度、压缩强度、径向拉伸强度。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
Surface hardness improvements of Nylon 6 implanted with ions were linked to mechanism of energy loss of ions.
离子注入后，尼龙6表面硬度提高与离子能量损失机制有关。
Experiments show that this is a good method of increasing the surface hardness of the needle cloth-making part.
试验表明，此法是提高针布齿的硬度的一个好途径。
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
爪形和环形断裂由表面硬度偏高造成，并提出解决断裂问题的合理化建议。
All requirements of high surface hardness and resistance, good toughness and center of all steel products to carburizing.
凡是要求表面具有较高的硬度和耐磨性，而中心具有良好韧性的所有钢制品都要进行渗碳。
The experiment shows that it can improve metal surface hardness and prolong service life of parts and increase the stress.
经试验证明可以大大提高金属表面的硬度、零件的使用寿命及其受力情况。
The friction increases with the decrease in solid surface finish and tends to decrease with the increase in its surface hardness.
土壤摩擦力还随固体表面光洁度降低而增加，随表面硬度增加而趋于减小。
Analyse the reason that surface hardness of quench needle is not enough under original production technology circumstance of factory.
分析了工厂网带炉条件下淬火织针表面硬度不足的原因。
Should make the anchor and insert one and stranded wire surface hardness standard, so as to ensure the anchorage has anchor complete.
应制定锚具央片与钢绞线表面硬度标准，以保证锚具锚固安全。
Combining the tempering behavior with the grinding thermal model, the change in surface hardness due to grinding heat could be predicted.
通过合并磨削热模型和回火效应可以预测工件磨削后的表面硬度变化。
Combining the tempering behaviour with the thermal model of grinding, the change in surface hardness due to grinding heat can be predicted.
通过合并磨削热模型和回火效应，可以预测工件磨削后的表面硬度变化。
As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.
即使所有其它条件保持不变，随着要淬火的零件尺寸的增加其表面硬度也会有所下降。
The result showed that hardness of crankshaft and cooling way had direct influences on enhancement of surface hardness of nitrocarburizing layer.
结果表明：曲轴基体硬度和冷却方式对共渗层表面硬度的提高有着直接的影响。
BASF have developed a new system which provides coatings with improvements in surface hardness as well as better bending and deep-drawing strength.
BASF已经研发了一项新的系统，可以改善涂层表面硬度，并且使涂层有更好的弯曲度和深拉伸强度。
The surface hardness of the materials having different compositions before and after absorbing water was studied, and the best formula was determined.
通过改变组分配比，研究水泡前后材料表面硬度的变化，筛选出最佳配方。
When determining the surface hardness of nitrided parts, the indentation usually exists in white layers and it is the hardness of white bright layers.
测量渗氮零件表面硬度时，压痕往往只存于白亮层之中，故只测得白亮层的硬度值。
To improve wear resistance and contact fatigue strength of high loaded mechanical parts, one of best effective methods is to improve surface hardness.
要提高承受高应力工件的使用寿命，提高其硬度是有效的方法之一。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
The effects of componets and contents on surface hardness, impact resistance, defromation start temperature, density an so on were systematically studied.
系统研究了材料的组成对表面硬度、透光率、冲击强度、热变形温度、密度等性能的影响。
Meanwhile, high surface hardness after heat treatment, the coating surface formed into the amorphous and crystalline mixture, the hardness is up to 1200hv.
同时表面硬度高，经热处理后，其镀层表面形成非晶态和晶态的混合物时，硬度可达1200 HV。
The results showed that the steel after combined treatment had higher surface hardness and wear resistance, and prolonged the service life of cutting tool.
结果表明，该钢经复合处理后，具有较好的表面硬度和良好的耐磨性，显著地增加了刀具的使用寿命。
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