Effect of quenching and tempering on microstructure and mechanical properties of 1Cr16Ni4Nb steel;
调质处理对1Cr16Ni4Nb钢组织与性能的影响
Improvement on quenching and tempering technique of 35CrMo steel;
35CrMo钢调质处理工艺的改进
The effect law of quenching and tempering temperature with subcritical quenching on the strength and hardness of 45 steel was studied by orthogonal regressive principle,the microstructure and property of the steel after subcritical quenched were analyzed.
在试验的基础上,提出了45钢活塞(780±10)℃淬火+(550±10)℃回火的调质处理新工艺。
The results show that its fracture reasons are:not to carry out quenching and tempering treatment before using,and not to reserve the structure round angle of diameter abrupt change at the axis centre locatio.
结果表明,轴断裂的原因是使用前未进行调质处理及轴中间部位的直径突变处没有预留结构圆角。
Introduction to the technical properties and design methods of induction heating, quenching and tempering treatment.
介绍了PC钢棒的技术性能要求,着重讨论了PC钢棒感应加热调质处理工艺参数的设计方法。
The results show that the main causes of fracture is composition segregation and low strength resut from no quenching and tempering treatment.
结果表明,产生断裂的主要原因是材料内部成分偏析及未按要求对材料进行调质处理导致材料的强度较低。
The microstructure and properties of 35CrMo steel after toughening treatment were studied, which selected convention heat treatment, modified treatment and then sub-temperature heat treatment process.
选用常规热处理、调质处理加亚温热处理两种工艺对35CrMo钢进行强韧化。
Based on the effect of carbon precipitation under the A1 temperature on the microstructure and properties, a new thermal treatment method-temper rapid cooling process has been studied in this paper.
基于A1温度以下碳析出行为对钢组织性能的影响,介绍了一种新的热处理方法—亚调质处理,即回火快冷(temper-rapidcooling)。
Gear with precise design and high quality closely combines with thermal refining worm.
精密设计高品质齿轮与调质处理蜗杆紧密结合。
Utilizing a state of the art process of controlled thermal treatment for hardening and tempering.
先进的可控气氛热处理生产线对产品进行调质处理。
Effects of Moistening and Tempering on Milling Characteristics of domestic Wheat(Ⅰ)
调质处理对国产小麦制粉特性影响的研究(一)
Effect of Quenching and Tempering Process on Microstructure and Mechanical Properties of XCQ16 Axle Steel
调质处理对XCQ16车桥用钢组织与力学性能的影响
The Investigation and Prediction to the Wastewater Quantity and Quality of ZhuanKou WTP;
沌口污水处理厂水质水量调查与预测
The Controlling System for Quenching and Tempering Heat-treating Furnace Temperature of the 40CrNiMoA Steel;
40CrNiMoA钢调质热处理炉温控制系统
Study on quenching-and-tempering process of XCQ16-1 axle steel
XCQ16-1车桥用钢调质热处理工艺的研究
Study on Production Process of Quenched and Tempered for SPV490Q Steel Plate
SPV490Q钢调质热处理工艺研究
HT Sub-factory : complete process of annealing, quenching, tempering, quenching and tempering, solution treatment etc.
热处理厂：可完成退火,正火,回火，调质,固溶处理等工艺.
Investigates problems and develops disposition, corrective and preventive actions for recurring discrepancies.
调查并处理品质问题，提出改善及预防措施。
To diagnose the die failure and troubleshoot it to insure high quality parts.
调查、诊断模具的故障及处理，以保证产品的品质。
Study on Developmental Strategy of SCGC;
四川石油管理局地质调查处发展战略研究
Investigation of Irrigated Water Qualities in Xinjiang Farmland and Discussion of Treatment Methods with It;
新疆农田灌溉排水水质调查和其处理方法探讨
Test of Wear Resistance on Piston Rings Treated by Rare-earth Ion Carburizing after Quenching and Tempering
活塞环调质稀土离子渗氮处理耐磨性能试验
Surface Microstructure and Properties of Quenched and Tempered Steel by High Current Pulsed Electron Beam
调质钢电子束表面处理组织及性能分析
Control of Distortion for Large and Thin Quenching and Tempering Steel Plate after Cold Pressing Quenching
大型薄形调质钢板热处理冷压淬火畸变控制
Research on Indoor Air Quality of Hybrid Air-Conditioning System with Temperature and Humidity Decoupled Treatment
热湿解耦处理复合空调室内空气品质研究
Effects of Salt Stress on Photosynthesis and Osmoregulation Substances of Tamarix ramosissima Ledeb.
盐处理对多枝柽柳光合作用和渗调物质的影响