Numerical Simulation of Water Air Alternative Quenching Process for Large Steel Forging 大型锻件水空交替淬火过程的数值模拟
For same quenching temperature and tempering process, the mechanical properties are easier to control by water quenching than by air quenching; 在相同的淬火温度和回火工艺下,采用水淬较空冷更容易实现对力学性能的控制;
Based on that hardened case depth can be increased by delay in air after forging, the technique of delay quenching after forging is proposed in this paper. 利用感应器高度、比功率、淬硬层深度推导感应加热移动速度的经验公式,分析了影响移动速度系数的因素。
Air conditioning system design for quenching 侧吹风空调系统设计
The influences of C and using air, soluble glass and water as quenching medium on the structure and properties of medium-carbon low-alloy steel have been investigated in this article. 研究了碳元素及空气、水玻璃溶液、水3种淬火介质对中碳低合金钢组织性能的影响规律。
Experiment and Application of Air Cooled Quenching Technology for High-Chromium Cast Iron 高铬铸铁风冷淬火工艺的试验和应用
Mullite coating was more effective than zircon coating. The isotropic high density graphite block with SiC concentration gradient and mullite coating had enough resistance to oxidation at 1400 ℃ in air and to quenching from 1400 ℃ to liquid nitrogen temperature. 具有SiC浓度梯度和莫来石涂层的各向同性高密度石墨块足以在空气中1400℃下抗氧化和1400℃到液氮温度下抗淬火。莫来石涂层比锆石涂层更有效。
Effects of obstacle on premixed flame microstructure and flame propagation in methane/ air explosion Numerical Study on the Propagation and Quenching of Premixed Flame in Tubule 障碍物对瓦斯爆炸火焰结构及火焰传播影响的研究
Characteristics of production technology of polyester fine denier filaments produced by domestic POY machine are introduced. The control of techniques are discussed in chip drying spinning temperature and lateral blow air quenching etc. 介绍了国产POY设备生产涤纶细旦丝的工艺技术特点,讨论了切片于燥、纺丝温度、侧吹风冷却等工艺的控制。
In this paper, we present a new type of hybrid arc quenching system, which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。控制了栅片间金属短弧的金属蒸气喷流,同时削弱灭弧室中热气体的回流。
The computer temperature control system of 31 m air-circling quenching furnace Air(初三适用)31m空气循环淬火炉计算机温度控制系统
Microstructures and Properties of an Air Cooled Cast Die Steel after Quenching and Tempering at Various Temperatures 铸造空冷模具钢不同淬火回火温度下的组织与性能
Reviews the developing course of quenching air conditioning systems for polyester filaments production in China, analyses the energy consumption of three typical systems, and indicates that the coupled air conditioning systems for quenching and winding brings forth new ideas and is energy saving system. 顾回了我国涤纶长丝侧吹风空调系统的发展历程,分析了三个典型系统的能耗情况,指出了侧吹风与卷绕组合空调系统是创新与节能系统。
The original microstructure is acicular ferrite, air cooling microstructure is polygonal ferrite and water quenching microstructure is lath martensite-based. 原始组织以针状铁素体为主,空冷组织以多边形铁素体和少量粒状贝氏体组成,水淬组织以板条马氏体为主。
Vacuum air quenching have no oxidation, surface finish, and the characteristics of a small amount of deformation, so it has broad application prospects in the field of mold heat treatment. 真空气淬具有无氧化、表面光洁度好、变形量小等特点,在模具热处理领域有着广泛的应用前景。