分析了自来水第二大缺点引起淬火硬度不均和畸变的原因。
The reason of heterogeneous quenching hardness and distortion was analyzed from second shortcoming of tap water.
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.
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。
As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.
通过给定的热处理所得到的硬度取决于淬火速率、含碳量和工件尺寸。
The hardness obtained from a given treatment depends on the quenching rate, the carbon content, and the work size.
整体淬火，批头带强磁性吸附螺丝更方便，硬度高，不滑头，防腐蚀，经久耐用。
Overall quenching, headband ferromagnetic batch adsorption screw more convenient, high hardness, not slippery, corrosion resistant and durable.
无论淬火介质怎么冷，如果在大工件中的热量不能比特定的临界速率更快散发，那它内部硬度就会受到明确限制。
No matter how cool the quenching medium may be, if the heat inside a large piece cannot escape faster than a certain critical rate, there is a definite limit to the inside hardness.
在感应淬火中，通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
直接淬火后的刚所能获得的最大硬度在很大程度上时由含碳量决定的。
The maximum degree of hardness obtainable in steel by direct hardening is determined largely by the carbon content.
本文摘自作者关于电磁感应热处理的新书，全面地概述了齿轮淬火，包括零件的材料选取、硬度模式、线圈设计和加热方式等。
Extracted from the authors' new book on induction heating, this comprehensive overview of gear hardening includes sections on material selection, hardness patterns, coil design and heating modes.
此外，文中还研究了淬火、回火或循环热处理对该复合材料硬度值的影响。
Moreover, the effect of quenching, tempering or cycling heat treatment on the hardness values of the composite is also studied.
硬块。通常由于局部淬火引起钢管上某一部位硬度值远高于周围金属的硬度值。
Hard Spot. An area in the pipe with a hardness level considerably higher than that of the surrounding metal, usually due to localized quenching.
通过给定的热处理所得到的硬度取决于淬火速率、含碳量和工件尺寸。
Thee hardness obtained from a given treatment depends on the quenching rate, the carbon content, and the work size.
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。
An analytical function for describing hardness distribution in round section of quenched steel, known as U-curve, has been established.
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 data of quenched steel under different conditions were collected utilizing austempering tests.
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 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.
文中着重模拟预测了它们的三维淬火瞬态温度场、相组织场及硬度场等。
This article puts emphasis on predicting the three-dimensional fields of transient quenching temperature, phase change and hardness of the try mentioned above.
分析了工厂网带炉条件下淬火织针表面硬度不足的原因。
Analyse the reason that surface hardness of quench needle is not enough under original production technology circumstance of factory.
试验结果表明，激光淬火可使凹模型腔表面硬度提高4～5HRC ，凹模寿命提高20 %以上。
The experiment result shows that quenching by laser can increase the hardness of the matrix surface by 4-5HRC and extend the matrix life by over 20%.
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 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.
实践结果表明采用工装保护电阻炉加热淬火后的零件硬度及强度满足技术要求。
The results show that the hardness and strength of the work piece after surface quenching protected by process tackling by means of air resistance furnace heating are satisfy.
轧辊采用Cr12的材质，经真空淬火加工而成，硬度高，耐磨性好。
Roll the Cr12 material, processed by the vacuum quenching, high hardness, good wear resistance.
要遵循的合适步骤是将这种钢的一些小试件加热到不同的温度后淬火，再通过硬度试验或显微镜检查观测结果。
A good procedure to follow is to heat-quench a number of small specimens of the steel at various temperatures and observe the result, either by hardness testing or by microscopic examination.
对淬火开裂的S45 C钢零件进行了化学成分、金相组织、断口分析及硬度检测。
The chemical composition, microstructure, fracture morphology and hardness of cracked S45C steel parts were tested and analyzed.
结果表明，特大型轴承矫正渗碳淬火后金相组织、硬度都达到技术要求。
The results showed that, the microstructure and hardness of oversized bearings could meet the technologic requirement after carburization and quenching.
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。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
通过测定时间-温度-硬度曲线并采用透射电镜研究7055铝合金的淬火敏感性。
The quench sensitivity of 7055 aluminum alloy was studied with time-temperature-hardness curve evaluated via interrupted quenching and transmission electron microscopy.
研究了D2钢在不同温度淬火后的硬度变化，以及深冷处理对其硬度的影响，并对其显微组织进行了分析。
The hardness variation of D2 steel under different quenching temperature and the influence of subzero treatment on hardness of D2 steel were studied, and its microstructure was analyzed as well.
采用激光表面处理工艺，对数控机床主轴主要表面进行快速激光扫描，可获得高硬度的淬火硬化层。
The quenching layer with high hardness on the surface of number control machine-tools axle was obtained using laser surface treatment technology.
采用激光表面处理工艺，对数控机床主轴主要表面进行快速激光扫描，可获得高硬度的淬火硬化层。
The quenching layer with high hardness on the surface of number control machine-tools axle was obtained using laser surface treatment technology.
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