An analytical function for describing hardness distribution in round section of quenched steel, known as U-curve, has been established.
建立了描述淬火钢圆形截面硬度分布曲线——U曲线的解析函数表达式。
High carbon high speed steel (HSS) is a new material replacing common wear resistant alloy. Quenched high speed steel roll sleeve has high hardness and poor workability.
高碳高速钢是取代普通耐磨合金制造轧辊的新材质，淬火高速钢辊套硬度高，内孔加工性能差。
The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
以45#调质钢硬度试验为例，研究了金属材料布氏硬度试验中测量不确定度的评定。
The hardness data of quenched steel under different conditions were collected utilizing austempering tests.
利用等温回火实验，采集了淬火钢在不同条件下回火时的硬度数据。
The hardness of quenched martensitic stainless steels increases with carbon content and it reaches a nearly invariant value as the carbon content in steels is higher than about 0.6%.
马氏体不锈钢淬火后的硬度随钢中碳含量增加而增高，当碳含量达到0.6％左右后，钢的硬度基本上不再增高。
The surface of inoculated cast iron HT300 chain wheel is quenched by laser for improving its antiwear property and increasing its surface hardness, therefore prolonging its life.
应用激光束对孕育铸铁(HT300)链轮表面进行激光淬火处理，可增强链轮的抗磨损性能，提高链轮表面硬度，从而达到延长寿命的目的。
It has a high hardness after quenched and has excellent corrosion resistance (with magnetic).
淬火后硬度高，耐蚀性好(有磁性)。
The press is proved practically of higher quenching efficiency, the quenched parts with better dimension stability and much uniform hardness.
实用表明，采用该淬火系统大大地提高了生产效率，且淬火件尺寸稳定，硬度均匀。
The effect of preheating treatment process of cold rolls on induction heat quenched structures and the effect of heating temperature and time on structure and hardness have been studied.
研究了轧辊的预备热处理工艺对感应加热淬火组织的影响，感应加热温度和时间对组织和硬度的影响。
The result showed that isothermally quenched white iron had relatively high hardness and toughness so that it was a kind of economical and practical anti-wear material.
结果表明，等温淬火白口铸铁兼有较高的硬度和韧性，是一种经济实用的抗磨材料。
The deformed band and transformed band are made up of very fine martensite laths, its hardness is much higher than that of the as-quenched specimen.
弹坑表面的变形带和相变带是由非常细小马氏体板条组成，其硬度非常高，远远高于装甲钢板的基体和淬火硬度。
The deformed band and transformed band are made up of very fine martensite laths, its hardness is much higher than that of the as-quenched specimen.
弹坑表面的变形带和相变带是由非常细小马氏体板条组成，其硬度非常高，远远高于装甲钢板的基体和淬火硬度。
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