Tempering相关论文
Effect of induction heating and tempering on properties and microstructures of quenched and tempered
In this study,a C-Mn quenched steel tube was quickly tempered by induction heating,and the influence of the tempering te......
Corrosion-resistant-alloy (CRA) clad steel combines the good mechanical properties of the base material and the excellen......
本文研究了油淬温度对YG11C和YG20C硬质合金组织及性能的影响。将两种合金在1 000~1 250℃下进行油淬热处理,并于500℃回火,分析了......
压铸模如出现早期开裂,可能原因是压铸模合金成分偏析、淬火压力不够、冷速慢、截面改变处过渡角小等。可采用固溶淬火+高温回火,......
Neural network modeling to evaluate the dynamic flow stress of high strength armor steels under high
An artificial neural network(ANN) constitutive model is developed for high strength armor steel tempered at 500 C, 600 C......
Influence of Tempering Process on Mechanical Properties of 00Cr13Ni4Mo Supermartensitic Stainless St
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Study on stable and meta-stable carbides in a high speed steel for rollers during tempering processe
A high speed steel(HSS) was studied for rollers in this work.The steel was quenched at 1150 C and tempered at 520 C.The ......
Precipitation behavior and martensite lath coarsening during tempering of T/P92 ferritic heat-resist
Tempering is an important process for T/P92 ferritic heat-resistant steel from the viewpoint of microstructure control,a......
Structural refinement of 00Cr13Ni5Mo2 supermartensitic stainless steel dur-ing single-stage intercri
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Neural network modeling to evaluate the dynamic flow stress of high strength armor steels under high
An artificial neural network (ANN) constitutive model is developed for high strength armor steel tempered at 500 ?C, 600......
Effect of Tempering Temperature on Strength and Toughness of Novel Carbide-Free Bainite/Martensite D
The effect of tempering temperature on strength and toughness of the novel carbide free bainite/martensite (CFB/M) duple......
The local induction heating process and the whole induction heating process were adopted to develop the X80 φ1219 mm×2......
采用不同淬火、回火工艺对W6Mo5Cr4V2Si新型高速钢进行热处理工艺试验,并对材料的微观组织及硬度进行了分析.结果表明:W6Mo5Cr4V2S......
Low cycle fatigue behaviour of a steel 55NiCrMoV7 under four tempered conditions is reported. One special type of total ......
Experimental Study of Microstructure Evolution during Tempering of Quenched Steel and Its Applicatio
Microstructure evolution during tempering of quenched steel was studied via dilatometric experiments.Temperature ranges ......
利用金相技术、硬度测量及透射电子显微术,研究了Nb钢及Nb-Cu钢在525℃回火过程中的析出行为.结果表明:两种实验钢在850℃奥氏体化......
Effect of tempering temperature on microstructure and mechanical properties of high boron white cast
...
Through the differentiating and integrating process, a mathematical model for tempering time effect on quenched steel wa......
Structural refinement of 00Cr13Ni5Mo2 supermartensitic stainless steel dur-ing single-stage intercri
The 00Cr13Ni5Mo2 supermartensitic stainless steel was first tempered at 570-730°C for 2 h to observe the microstructure......
Precipitation behavior and martensite lath coarsening during tempering of T/P92 ferritic heat-resist
Tempering is an important process for T/P92 ferritic heat-resistant steel from the viewpoint of microstructure control, ......
Tempering is an important phenomenon in ferrous alloys. Most steels, especially alloy-ing steels, are used after quenchi......
对含0.63%C(质量分数)的铬钼耐磨铸在860℃保温1 h雾冷淬火和550℃回火2 h后分别油冷、空冷和炉冷。检测了钢的显微组织、硬度、冲......
利用JMatPro软件对合金覆层进行计算,模拟分析了不同回火状态下合金覆层内部相组成成分的变化情况与碳化物颗粒的析出情况,预测了......
在火力发电厂中,汽轮机运行一段时间后,叶片会产生裂纹和变形,温度对叶片的影响是不容忽视的一个因素,结合汽轮机运行情况,针对温......
研究了同一成分的钢经过弛豫-析出控制相变RPC和再加热淬火RQ两种工艺处理后在500到700℃回火过程中组织与性能的演变.经过RPC处理......
通过扫描电镜的分析手段,研究了莱钢生产35CrMo预硬型模具钢板厚度方向显微组织对硬度分布的影响。结果表明:80mm厚度钢板经过900℃......
采用力学性能测试、金相组织观察、透射电镜以及扫描电镜观察,研究不同回火温度对超深井用超高强高韧套管组织和力学性能的影响规......
采用力学性能测试、金相组织观察、透射电镜以及扫描电镜观察,研究不同回火工艺对超深井用V150油套管强韧性的影响。研究结果表明:6......
随着国家及民众对食品安全重视程度的提升,小麦粉安全卫生品质已经成为我国面粉行业当下和未来转型的侧重点,转型离不开技术的推动,现......
通过实验室轧制和卷取模拟试验,研究热轧双相钢工艺与组织性能关系。结果表明:采用C-S i-Mn-Cr系成分和轧后两段式冷却,在低温卷取......
研究了发电机汽机辅机设备加装阀门的焊接工艺。对焊接性及安全性进行分析,制定修复工艺措施,焊接环境对焊缝成型的影响及防护办法,管......
用Cr—Mn—Si为主加少量其它合金元素的贝氏体铸钢制成衬板,经1080℃正火+200—250℃回火处理组织由贝氏体、铁素体和残余奥氏体组成......
在工业试制条件下,通过成分设计和TMCP—RPC-T工艺设计,采用晶粒细化、沉淀强化、位错强化和贝氏体组织强化等手段,辅以回火处理得到......
谷物干燥过程具有多变量耦合、非线性、大时滞、因果关系错综复杂等特点,要实现干燥过程的精确控制,必须探明谷物干燥过程中主要因果......
通过大量的试验研究,测定了1Cr11MoNiW1VNbN不锈钢材料的物理常数;研究了该材料的力学性能和微观组织特性;确定了最佳热处理工艺规范......
针对汽车轴承用长寿命钢球的要求,在不同热处理条件下,对直径为9.525和12.700 mm两种规格的高碳铬轴承钢钢球进行压碎试验,以期获......
高碳钢的回火通常使用油浴,然而因油浴存在黏度高、易粘附工件表面、极不易清洗等问题,需要研制另一种较清洁的介质取代之.在800℃条......
将含Cu-Cr微合金钢930℃保温30rain淬火至室温,随后650℃回火10min-10h。利用光学显微镜(0M)和透射电子显微镜(TEM)研究不同回火时间条......
采用化学相分析的方法研究了2.25Cr-1Mo钢粒状贝氏体组织在回火过程中碳化物的变化和析出顺序.结果表明,当回火参数为18140~22000时......
在不同的调质条件下,对3种国产小麦进行常规调质处理,研究常规调质对小麦表面菌落总数、霉菌和酵母菌数、大肠杆菌数和蜡样芽孢杆......
模拟了实际大型2.25Cr-1Mo-0.3V钢制筒节热处理工艺条件,研究了不同板厚的筒节两次淬火+回火对材料组织和性能的影响。试验结果表明......
研究了4Cr5MoSiV1钢经淬火+深冷处理+回火后的组织和力学性能.结果表明,试验钢在470℃左右回火时硬度达到峰值,二次硬化峰较普通处理......
在某电厂扩建工程中,其600 MW机组锅炉的后屏过热器部分管段管接头由T91钢与T23钢焊接而成,焊接难度大.通过对回火前后焊接接头的......
介绍了 E420海洋平台用钢板的成分性能要求,根据成分和工艺参数对力学性能的影响,对采用TMCP 工艺生产的钢板组织与性能进行了研究,通......
Copy-Move是数字图像容易遭受的一种常见篡改。为了解决这一问题,提出一种基于图像块均值哈希的区域Copy-Move篡改取证方法。首先......
介绍了北美压铸模协会(NADCA)推荐的H13钢的真空热处理工艺,详细讨论了对热处理设备的要求,工件的装炉,热电偶的放置,奥氏体化,淬......
本文对车底式热处理炉进行的两次模具钢回火工艺试验进行了分析,摸索出合理的热处理工艺制度,成功实现了车底炉回火模具钢的工艺开......
通过添加不同的微合金元素,结合 TMCP +回火工艺,试验了3种不同成分体系的低碳贝氏体钢板 AH70DB,研究了在相同轧制工艺和热处理条件下......