搜索结果: 1-15 共查到“机械工程 steel”相关记录32条 . 查询时间(0.218 秒)
Weldability of Copper-bearing Aging Steel
copper-bearing aging steel weldability acicular ferrite bainite softening
2011/8/4
The weldability of copper-bearing aging steel is evaluated using calculated cracking susceptibility index Pcm, oblique Y-groove cracking test, heat-affected zone (HAZ) maximum hardness measurement, su...
Temperature Dependence of Ultrasonic Longitudinal Guided Wave Propagation in Long Range Steel Strands
steel strand ultrasonic guided waves mode temperature coefficient
2011/8/4
Ultrasonic guided wave inspection is an effective non-destructive testing method which can be used for stress level evaluation in steel strands. Unfortunately the propagation velocity of ultrasonic gu...
Weldability of Copper-bearing Aging Steel
copper-bearing aging steel weldability acicular ferrite
2011/8/4
The weldability of copper-bearing aging steel is evaluated using calculated cracking susceptibility index Pcm, oblique Y-groove cracking test, heat-affected zone (HAZ) maximum hardness measurement, su...
Effects of annealing and annealing cooling media in corrosion resistance and microhardness of low content Chromium Nickel steel
Corrosion Resistance Microhardness
2010/9/26
To study the effect of intermediate spheroidal annealing on some properties of a metal, samples of chromium-nickel steal were chosen. The samples were carburized, normalized, annealed, hardened and te...
Load Bearing Capacity and Safety Analysis for Strain-hardening Austenitic Stainless Steel Pressure Vessels
pressure vessel austenitic stainless steel strain hardening
2011/8/4
By increasing the yield strengths of austenitic stainless steels for pressure vessels with strain hardening techniques, the elastic load bearing capacity of austenitic stainless steel pressure vessels...
Methodology to Estimate Remaining Service Life of Steel Structure by Possibilistic Reliability Theory
steel structure system fuzzy fatigue damage possibilistic reliability
2011/8/3
Steel structure system of crane deteriorates over time due to environmental effects, material fatigue, and overloading. System structural reliability and remaining service life assessment methods are ...
Permeable Steel and Its Application in Plastic-Injection Mould
powder metallurgy permeable steel plastic-injection mould venting system
2011/8/3
The gas in plastics mould has great influence on performance, appearance and lifespan of the injection molded parts. Venting channel and its appendix system should be used for gas exhausting in genera...
Application of Hot Forming High Strength Steel Parts on Car Body in Side Impact
hot forming high strength steel lightweight side impact car body
2011/8/3
Lightweight structure is an important method to increase vehicle fuel efficiency. High strength steel is applied for replacing mild steel in automotive structures to decrease thickness of parts for li...
Research of thermal processes in cutter edge made of HS 3-1-1,5 low-alloyed high-speed steel
High-speed steel Temperature field Thermal conductivity
2010/1/11
The physical and mathematical description of tools wear during technological process and need to the enlarge tool life require knowledge of material data, e.g. density, specific heat and coefficient o...
Microstructure evolution of high-manganese steel during the thermomechanical processing
Materials Metallic alloys High-manganese steel
2009/12/3
Purpose: The aim of the paper is to determine the influence of hot-working conditions on microstructure evolution of new-developed high-manganese austenitic steel.
Design/methodology/approach: The ho...
Weldability of class 2 armor steel using gas tungsten arc welding
Gas tungsten arc welding Welding parameters optimization Armor steel
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...
Control of welding process for BV-AH 32 steel
Welding quality Mathematical model Sensitivity analysis
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...
Ultra-precision machining of stainless steel using coated carbide tool
Machining Carbide tool Lubricant Stainless steel
2009/12/2
Purpose: This paper discusses the experimental work carried out to investigate the performance of coated carbide
tool in ultra-precision machining of stainless steel and evaluates whether this tool c...
Welding of girders to insert plates of composite steel-concrete structure of tower in Kuwait
Welding MMA insert plate Composite reinforces concrete
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...
Numerical modeling of steel flow in the six-strand tundish with different flow control devices
steel tundish impact pad device
2009/10/23
Numerical modelling have been extensively used to study the fluid flow phenomena taking place in continuous casting tundish. The paper presents the results of steel flow researches done on tundishs wi...