搜索结果: 16-30 共查到“工学 Welding”相关记录76条 . 查询时间(0.087 秒)
Experimental Study on Metal Transfer and Welding Spatter Characteristics of Cellulose Electrode
cellulose electrode metal transfer weld spatter
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2011/8/3
Welding spatter cause many problems during the welding process and this issue is particularly important for cellulose electrode welding. The hot flying spatter balls often deteriorate the working envi...
Application of thermovision method to welding thermal cycle analysis
Application thermovision method welding thermal cycle analysis
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2010/8/12
Indirect investigations of temperature by infrared method depend on measurement infrared radiation emitted by applied object. The detection circuit of system transforms this radiation into electric si...
A study on the CO2 laser welding characteristics of high strength steel up to 1500MPa for automotive application
A study CO2 laser welding characteristics high strength 1500MPa automotive application
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2010/8/12
The automotive industry is continuously striving to develop light weight vehicles to address global warming. For light weight vehicles, the focus on materials is shifting increasingly from conventiona...
Weldability of 440 MPa galvanized steel with inverter DC resistance spot welding process
Resistance spot welding SPRC440 SGARC440 Inverter DC spot welding system Lobe diagram
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2010/8/17
Resistance spot welding is a process that uses resistance Joule heat which occurs when a high current is applied with contact resistance that exists between metals and their specific resistance. This ...
Welding Wood系列
Culdesac设计工作室 Welding Wood系列
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2010/3/16
西班牙设计工作室Culdesac今天设计了一系列用于酒吧和旅店的Welding Wood家具。这一系列家具复兴了两种不同的传统家具制造工艺：即车床连接木材及蒸汽弯曲木材工艺。Culdesac工作室将这两种木材加工工艺结合在一起生成了属于自己的新技术，“Welding Wood”系列产品的名称也暗示了制造工艺中两块木材连续在一起的方式。
The high alloy precipitation hardening martensitic steels and their suitability for welding
Metallic alloys Welding metallurgy Martensitic steels Heat treatment
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2010/8/17
High alloy martensitic steels studied in the present work, have well over 20% of the alloying elements and belongs to the two broad categories, the high-nickel maraging steels and the chromium-nickel ...
Effect of flash butt welding parameters on weld quality of mooring chain
Welding Mooring chain Flash butt welding
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2009/12/3
Purpose: The effects of flash butt welding parameters on mechanical properties were explored for mooring chain for offshore structure.
Design/methodology/approach: Through the tensile strength, impac...
Resistance spot welding of aluminum alloy sheet 5J32 using SCR type and inverter type power supplies
Welding Aluminium sheet metal Spot welding
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2009/12/3
Purpose: A characteristic was compared and analyzed between the lobe diagram of SCR type resistance spot welding and that of inverter type resistance spot welding of the aluminum alloy sheet 5J32 for ...
Weldability of class 2 armor steel using gas tungsten arc welding
Gas tungsten arc welding Welding parameters optimization Armor steel
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2009/12/2
Purpose: In this study, microstructural and mechanical evaluations of class 2 armor steel after single-pass and
pre-heated/single-pass welding were investigated to reveal the effect of pre-heating on...
Effect of welding current on metal transfer in GMAW
investigations are mathematic descriptions of droplet flight trajectory and droplet velocity.
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2009/12/2
Purpose: The paper presents findings related to the influence of welding current on metal transfer in GMAW. The main goal was to understand how droplet diameter, droplet velocity and droplet transfer ...
Control of welding process for BV-AH 32 steel
Welding quality Mathematical model Sensitivity analysis
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2009/12/2
Purpose: The GMA welding process involves large number of interdependent variables, which may affect product quality, productivity and cost effectiveness. With the combination of sensors and mathemati...
Predicting Lap-Joint bead geometry in GMA welding process
Bead geometry ANOVA analysis Regression analysis
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2009/12/2
Purpose: The prediction of the optimal bead geometry is an important aspect in robotic welding process. Therefore, the mathematical models that predict and control the bead geometry require to be deve...
Weldability during the laser lap welding of Al 5052 sheets
Welding Laser welding Aluminium alloy Lap welding
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2009/12/2
Purpose: The paper presents the effect of the laser welding parameters of the laser focal position, the welding
speed and the laser output power on the weldability of Al the 5052 alloy during laser l...
Welding of girders to insert plates of composite steel-concrete structure of tower in Kuwait
Welding MMA insert plate Composite reinforces concrete
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2009/12/1
Purpose: A study of influence of preheating and MMA welding technique of tee-joints of plate girders to insert
plates of a composite steel-concrete structure of the telecommunication tower, on the pr...
Modelling of transport phenomena in gas tungsten arc welding
Computational mechanics GTA welding Transport phenomena
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2009/12/1
Purpose: Since numerical heat transfer and fluid flow models have provided significant insight into welding
process and welded materials that could not been achieved otherwise, there has been an impo...