hot forging

Failure analysis of hot wear and thermal fatigue of hot forging dies

热锻模具热磨损和热疲劳失效分析

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The microstructure evolvement model of the hot forging process is established at the aim of uniformity and minuteness of the crystal distribution in the final parts. The expression of the object function is then given.

以锻件晶粒度分布的均匀性与细小化为目标，建立了锻造变形过程的微观组织演变模型，并给出了优化目标函数表达式。

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after analysis of reducing the heat load's ways and means, the design method for multi-metal hot forging dies is proposed.

分析了降低热负荷的方法和途径，提出多金属热锻模设计方法。

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during the process of hot forging, the temperature has a great effect on the mechanical performance of the material.

温度对热锻模的力学性能有很大影响，温度的变化导致锻模失效。

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the thermal stress is the most fundamental failure reasons on the base of the distribution of stress field in hot forging dies.

根据应力场得出热应力是热锻模失效的最根本的原因。

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this paper presents the development of a new type build-up welding rod used for hot forging die.

研究了一种新型热锻模堆焊焊条。

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i think a radiator thermostatic valve used on the body is simple, using hot forging is very appropriate.

我认为在暖气上所使用的温控阀属于简单阀体，采用热锻是非常合适的。

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The multi-mechanism and mathematic models of microstructure evolution during material hot forging were emphatically de-scribed.

重点介绍了金属热锻过程中材料微观组织演变的机理和数学模型.

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the steels can obtain better strength and toughness by subsequent air cooling after hot forging or rolling without any heat treatment.

本钢种无需经过任何热处理，经锻轧后空冷就能达到较好的强韧性。

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Dual-Metal Hard Facing Heap Weld Technology of Recovering Hot Forging die

修复热锻模的双金属堆焊技术

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the lifetime of hot forging die decreases greatly owing to softened layers brought by high thermal loadings.

热锻模寿命由于高的热载荷引起其表面层软化而大大下降。

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analysis on the split of small size hot-rolled bar during hot forging

小圆钢热顶锻裂口原因分析

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To eliminate the pore defects in ingot by hot forging process, the closure of pores in solid cylinders undergoing hot forging is numerically simulated by thermomechanical coupling finite element method.

为了在锻造过程中消除锻件内部的空洞型缺陷，采用热力耦合有限元法模拟了各种条件下圆柱体锻件中心空洞的热锻闭合过程。

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microstructure simulation in hot die steel after hot forging and simulation software design

热作模具钢锻后组织模拟及软件设计

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two phase structures and textures of a 15% mn steel in hot forging state and a tensile-deformed 20% mn steel were analyzed by orientation mapping based on ebsd technique.

利用EBSD取向成像技术初步分析了含锰15%的热锻态高锰钢和含锰20%的拉伸样品中的两相组织结构及取向特点。

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Investigation of Hot Forging Strengthening for Potassium Chloride ( KCl) Single Crystals

氯化钾单晶的热锻强化研究

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Study on Pack Boronizing to Prolong Service Life of Hot Forging Dies

固体渗硼提高热锻模寿命的研究

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Evolution of Fine Grained Structure in 7075 Aluminum Alloy during Hot Forging and Annealing Big Future

7075铝合金在多向大变形锻造和退火中细晶粒结构的演变

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the application status of hot forging, cold forging and warm forging in china is presented in this paper and also the development of precision plastic forming technology in recent years is introduced.

介绍了精密塑性成形技术在中国的发展现状。重点介绍了致力于此领域的厂家和研究单位及其所做的工作，以及代表精密塑性成形技术水平的典型工件。

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this high-strength steel can be used in the manufacture of hot forging dies, extrusion die.

此钢系高强度热作模具钢,可用于制造热锻模 、 挤压模、铜合金压铸模.

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FEM Analysis for Integrated Stress of Dies During Hot Forging Process

锻模综合应力有限元仿真分析

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Improvement on heat treatment process of hot forging die for diesel camshaft

柴油机凸轮轴热锻模热处理工艺改进

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At last, the density of dislocation of the material increases greatly after hot forging, then segregation of carbon occurs, which also result in non-uniformly austenite and then spheroidal pearlite.

热加工时，位错密度大大增加，使碳出现偏聚，增加了奥氏体不均匀的程度，促进粒状珠光体的形成。

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