Effects of solution heat treatment on corrosion resistance of 5083F Al alloy 

Aluminum alloys are used as substitutes for fiber reinforced polymer(FRP) in ships and boats.However,ships constructed with 5000-series Al alloy suffer a little...
《Transactions of Nonferrous Metals Society of China》  2009年 第04期 下载次数(73)| 被引次数(5)

Influence and Analysis of Concentrate Degree of Plasma Arc for Heat Process of Hardening Treatment 

According to the practicable model of the plasma arc surface quench, the influence law of the heat process, cooling course, temperature field about surface quen...
《材料热处理学报》  2004年 第05期 下载次数(11)| 被引次数(0)

激光材料表面处理过程的数值模拟 

在激光材料过程中,激光辐照工件时,相当于一个热源,辐照区会发生很多现象,数值模拟对理解这些现象非常重要。对激光材料过程,已完成了大量的理论和实验研究工作,而且这方面的研究还在继续。在本论文中,采用有限元法计算激光材料过程工件的温度场,模拟激光熔池中的流体速度场,详细地重点研究了激光功率、激光能量分布和...
昆明理工大学  硕士论文  2004年 下载次数(369)| 被引次数(2)

Simulation study on heat-affected zone of high-strain X80 pipeline steel 

The microstructure evolution and impact-toughness variation of heat-affected zone(HAZ)in X80 highstrain pipeline steel were investigated via a welding thermal-s...
《Journal of Iron and Steel Research(International)》  2017年 第09期 下载次数(32)| 被引次数(1)

Surface Temperature Change of U75V 60 kg/m Heavy Rail During Heat Treatment 

The U75V 60 kg/m heavy rail samples were heated to 900 ℃ in a resistance furnace for a fixed duration of 50 min. Under this condition, the samples were austenit...
《Journal of Iron and Steel Research(International)》  2013年 第02期 下载次数(125)| 被引次数(7)

Heat Transfer During Quenching by Plate Roller Quenching Machine 

For plate quenching on a roller quenching machine, heat transfer process is investigated. According to the practical online experiment of plate center temperatu...
《Journal of Iron and Steel Research(International)》  2013年 第05期 下载次数(87)| 被引次数(3)

MODEL OF LASER-TIG HYBRID WELDING HEAT SOURCE 

The welding mechanism of laser-TIG hybrid welding process is analyzed. With the variation of arc current, the welding process is divided into two patterns: d...
《Chinese Journal of Mechanical Engineering》  2004年 第04期 下载次数(85)| 被引次数(4)

Modeling and Simulation of Heat Transfer in Loaded Continuous Heat Treatment Furnace 

Continuous furnaces are widely used in the heat treatment of mass-produced parts. However, the heating up process of parts in continuous furnace is still decide...
《材料热处理学报》  2004年 第05期 下载次数(68)| 被引次数(5)

Effects of Heat Treatment on Surface Recrystallization and Stress Rupture Properties of a Fourth-Generation Single-Crystal Superalloy after Grit Blasting 

The specimens of a fourth-generation single-crystal superalloy were grit-blasted and heat-treated in vacuum at 1100, 1150, 1200, 1250 and 1300 °C for 4 h, respe...
《Acta Metallurgica Sinica(English Letters)》  2017年 第07期 下载次数(19)| 被引次数(6)

Effect of cyclic heat treatment on microstructure and mechanical properties of 50CrV4 steel 

An annealed 50 Cr V4 steel was subjected to cyclic heat treatment process that consists of repeated short-duration(200 s)held at 840 °C(above Ac3 temperature of...
《Journal of Central South University》  2015年 第02期 下载次数(91)| 被引次数(3)

Optimization of Heat Flux Coefficient Determination for Laminar Cooling Control 

A new heat flux coefficient model and improved refreshing rules were introduced for optimizing coiling temperature model.The off-line simulation of the new stra...
《Journal of Iron and Steel Research(International)》  2004年 第01期 下载次数(24)| 被引次数(4)

Determination of interfacial heat transfer coefficient and its application in high pressure die casting process 

In this paper,the research progress of the interfacial heat transfer in high pressure die casting(HPDC)is reviewed.Results including determination of the interf...
《China Foundry》  2014年 第04期 下载次数(69)| 被引次数(4)

Analysis and calculating for preheat temperature and average convection heat change coefficient in the continue annealing furnace 

The aim of the thesis is to utilize essential theory of heat transfer,to use correlative expressions to calculate average convection heat change coefficient ...
《Baosteel Technical Research》  2010年 第S1期 下载次数(28)| 被引次数(0)

General expression of double ellipsoidal heat source model and its error analysis 

In order to analyze the maximum power density error with different heat flux distribution parameter values for double ellipsoidal heat source model,a general ex...
《China Welding》  2008年 第04期 下载次数(98)| 被引次数(1)

Al-Si-Mg-Cu Heat Storage Alloys and Their Heat Storage Properties 

The problems such as poor oxidation resistant properties at high temperatures and abated thermal storage capacities after repeated thermal cycles still exist in...
中国材料大会2012第1分会场:先进能源材料与技术论文集  2012-07-13 下载次数(23)| 被引次数(0)

共找到相关记录3205条上一页>12345678910下一页