搜索结果: 1-15 共查到“机械制造工艺与设备 steel”相关记录21条 . 查询时间(0.106 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...
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...
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...
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...
Study of secondary recrystallization in grain-oriented steel treated under dynamical heat treatment conditions
abnormal grain growth Goss texture grain oriented electrical steel
2009/10/23
The present study was made to investigate secondary recrystallization in grain-oriented steels annealed at short time temperature exposures with application of dynamical heating. The investigated GO s...
Effect of inoculation on high temperature plastic properties of the centrifugally cast Cr-Ni-Nb steel
High-temperature mechanical properties Austenitic Cr-Ni-Nb cast steel Centrifugal casting
2011/3/17
From the centrifugally cast sleeve segments, in direction parallel to the axis, the specimens for mechanical tests were cut out in a way such as to get in one batch of the specimens a structure compos...
Microstructure and corrosion resistance of the duplex steel wide-gap one-side fluxcored wire welded joints
Welding Microstructure of welded joints Testing of welded joints
2010/2/4
Purpose: this paper was to determine the impact of the wide-gap welding, with increased root face gap, on structure and corrosion properties of the welded joints executed on duplex steel by one-side w...
Effect of heat treatment parameters on the properties of low-alloy cast steel with microadditions of vanadium
Low-alloy cast steel Microstructures Mechanical properties Heat treatment
2011/3/15
This article examines the effect of prolonged time of holding at the temperature of 6200C on the processes of secondary phase precipitation and mechanical properties of low-alloy cast steel with an ad...
Laser welding of butt joints of austenitic stainless steel AISI 321
Manufacturing and processing Welding Laser welding
2010/2/9
Purpose: of this paper: A study of an automated laser autogenous welding process of butt joints of austenitic stainless steel AISI 321 sheets 0.5 [mm] and 1.0 [mm] thick using a high power diode laser...