因此,新的锻热淬火工艺可以代替传统的锻后热处理工艺,达到节能降耗、提高生产效率的目的。
Therefore, the conventional heat treatment process after forging can be replaced by the new ausform hardening process, to save energy and improve production efficiency.
磨削淬火技术是利用磨削热对工件表面进行热处理,使工件表层发生马氏体相变,达到与表面强化处理一样的性能。
The heat flux generated in grinding is utilized to induce martensitic phase transformation in the surface layers of components, such as that achieved by other surface strengthening processes.
应用有限元分析软件ANSYS计算了1045钢淬火时具有相变和非线性表面换热系数的温度场。
The temperature field with phase transformation and non-linear surface heat-transfer coefficient of steel 1045 during quenching is calculated with ANSYS program.
磨削淬硬是利用未淬硬钢零件磨削加工中产生的热—机械复合作用直接对其进行表面形变淬火的新工艺。
A new surface deformation quenching process which utilized the composite thermal and mechanical effects generated in grinding to harden the surface of work-piece is introduced.
磨削强化处理技术是利用磨削热替代高、中频感应淬火热源对钢件表层进行强化处理,将磨削加工与表面强化合为一体。
Grinding hardening, the technology of hardening steel piece surface with grinding heat instead of high or medium frequency induction hardening heat, can integrate grinding surface hardening.
无论是淬火或淬回火态的试样其热疲劳裂纹主要沿着碳化物与基体脱开处及晶界裂纹桥接而扩展。
The thermal fatigue crack propagated mainly through the break-age of the interface of carbide and grain boundaries for either quenched or quenched and tempered steel.
结果表明,换热系数是影响淬火结果的主要因素,淬火介质的温度及零件的预热温度对于零件淬火后的性能影响很小;
The effects of technical parameters to quenching result are researched, heat transfer coefficient, preheat temperature and quenchant temperature are regarded as the object variable.
直接淬火,名词,在形变热处理过程中,最终热变形之后立即进行淬火。
Direct quenching, n-in thermomechanical processing, quenching immediately following the final hot deformation.
分析了在不同焊接热循环条件下相应的部分易淬火钢焊缝及热影响区的显微组织。
The microstructures of weld metal and HAZ under different thermal cycle are analyzed correspondingly.
淬火过程中表面换热系数是反映界面能量传递和介质冷却能力的重要物理参数。
Surface heat transfer coefficient is an important physical parameter which reflects energy transfer of interface and cooling capability of medium.
用于呈淬火状态下的低、中合金钢、异种钢结构,以及同类型的热强钢的焊接。
Used for welding in quench low and middle-alloy steel, different type of steel, and same type of high strength steel.
提出了用计算机进行测量和计算淬火过程中淬火介质换热系数的反传热模型。
This paper proposes an inverse heat conduction method model used in computer measurement and calculation to derive the heat transfer coefficient of quenchants during the quenching process.
文中推导淬火炉的热传递函数,介绍了具有一定带宽的继电器特性控制方法和STD总线单片机系统的具体结构。
Transmit fuction of heat was derived in this paper, A method of controlling characteristic with some band width and the structure of the STD BUS microcontroller w…
以上诸因素的共同作用,使贝氏体具有比直接淬火所获得的马氏体更高的二次硬化效应、热强性和组织稳定性。
As a result of the coaction of abovementioned factors, the bainite has superior secondary hardening effect, thermal strength and structural stability to martensite formed by straight tempering.
文中推导淬火炉的热传递函数,介绍了具有一定带宽的继电器特性控制方法和STD总线单片机系统的具体结构。
Transmit fuction of heat was derived in this paper, A method of controlling characteristic with some band width and the structure of the STD BUS microcontroller was pre…
通过非线性回归算法对模型参数进行回归计算,最终取得整个淬火过程的换热系数公式。
The model parameters were calculated through the nonlinear regression algorithm. Thus, the formula of heat transfer coefficient for the quenching process was obtained.
文摘:叙述了热等静压淬火方法的基本特点以及在减小零件变形方面的优良性能。
Abstract: The basic characteristics of hot_isostatic press quenching method and its excellent performances on decreasing part deformation are described in this paper.
因此,热应变和淬火失败被削减,即使钢铁成员是薄板组件和高生产效率可以实现的。
Thereby, thermal strain and quenching failure are reduced even if the steel member is a thin plate component and a high production efficiency can be achieved.
在实测了淬火油换热系数的基础上,对轴对称空心圆柱体淬火时的温度场和组织场进行了模拟。
After determining the heat transfer coefficient of oil, the temperature, microstructure and stress variations during quenching were analyzed.
采用真空控时急冷技术对H13钢热作模具进行淬火,可使之得到细小的马氏体组织,从而显著提高热作模具的冲击韧度。
Hot working dies of H13 steel vacuum quenched by the use of the time-controlled sudden cooling technology will obtain fine martensite.
采用真空控时急冷技术对H13钢热作模具进行淬火,可使之得到细小的马氏体组织,从而显著提高热作模具的冲击韧度。
Hot working dies of H13 steel vacuum quenched by the use of the time-controlled sudden cooling technology will obtain fine martensite.
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