
高温回火
The high temperature tempering can eliminate the residual stress caused by quenching, this can avoids the deformation in the following electric machining;
高温回火可消除模具淬火时产生的残余应力,避免模具在后续的电加工中产生变形;
Based on these, according to characteristic of steel tempering structure, high temperature tempering structure of hull steel is called tempered martensite.
认为,根据各种回火组织的特性,船体钢的高温回火组织应归为回火索氏体。
The tensile strength, elongation and hardness of T10 steel subjected to magnetic field quenching and to high temperature tempering were separately increased by 28%, by 8.
与经普通淬火和高温回火的相比,经磁场淬火和高温回火的T10钢的抗拉强度提高了28%,断后伸长率提高了8。
After quenching and tempering for general use, to adapt to different needs, the steel after quenching can be for low or high temperature tempering.
焊接性差,焊前应预热。 一般渗碳及淬火后使用,也可以调质后使用。
This company endeavors to hardening, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, cementing, time effective freezing and high temperature treatment etc.
本公司是一家致力于从事调质、火、火、中温淬火、带炉淬火、碳、效冰冷及其高温热处理的厂家。
The influence of pre-treating for refining carbide by high temperature(980℃) solution and high tempering(640℃) on the impact fatigue resistance has been stu***d in this paper.
研究了T10钢原始组织经980℃固溶,640℃回火后碳化物细化预处理对冲击疲劳抗力的影响。
At high temperature uses are: sintering, welding, hardening, sintering, tempering, Xu cold.
在高温下使用用途有:烧结、焊接、淬火、烧成、回火、徐冷。
Advanced high strength after quenching and tempering has good mechanical properties and low temperature impact toughness.
高强度的高级淬火低温回火后具有良好的综合力学性能和低温冲击韧度。
High Temperature Hardening, Metal Melting, Annealing, Stress Relieving, Preheating, Special Applications, Tempering.
高温淬火,金属熔化,退火,压力缓解,预热,特殊应用,回火。
The low cycle fatigue property of surface quenching grade C steel is higher than that of normalization grade C steel and quenching and high temperature tempering grade C steel.
表面淬火C级钢比调质C级钢和正火C级钢的低周疲劳性能高, 在应变量较大时,调质C级钢和正火C级钢低周疲劳寿命较高;
|high tempering;高温回火
高温回火(High Temperature Tempering)是金属热处理工艺中的关键步骤,指将淬火后的钢件加热至500°C–650°C区间并保温,随后以适当速率冷却的过程。这一温度范围高于中低温回火,可显著改善材料的综合力学性能。
从工艺机制分析,高温回火促使淬火马氏体分解为回火索氏体,这种显微组织由铁素体基体与均匀分布的球状渗碳体构成。该结构特性使材料在保持较高强度的同时,获得更好的塑性和韧性平衡。例如,40CrNiMoA合金钢经高温回火后,抗拉强度可达900-1100MPa,延伸率提升至12%-15%(数据来源:清华大学材料学院《先进金属材料》公开课)。
该工艺在工程领域应用广泛,特别适用于承受交变载荷的关键部件,包括:
(应用案例参考:上海交通大学《机械零件失效分析》第3版)
“High temperature tempering”是材料科学中的专业术语,结合“高温”和“回火工艺”的含义,具体解释如下:
High temperature tempering(高温回火):
指在500-650°C温度范围内进行的回火处理,常用于中高碳钢或合金钢。其目的是:
如需更详细的技术参数或案例,可参考材料工程领域的专业文献或热处理手册。
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