物理冶金
- 【冶】physical metallurgy
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采用SEM观察触点表面经电弧侵蚀后结构与成分的变化,分析触点对电弧响应的物理冶金过程。
The structure and component change of contact surface were studied by SEM after arc erosion . The physical metallurgy process of contact surface was analyzed during arcing .
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Laves相合金的物理冶金特性
Physical Metallurgy of Laves Phase Alloys
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本文对采用驰豫-析出-控制相变工艺(RPC)生产的新型超细组织钢进行了焊接物理冶金现象与规律的系统研究。
This thesis is focused on the welding physical metallurgy of new ultrafine microstructure steel , which was processed by RPC ( Relaxation-Precipitation-Controlling transformation ) technique .
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本文基于薄板坯连铸连轧流程物理冶金特征,系统地研究了V的析出规律和V微合金钢的强化机理。
Based on the physical metallurgy characteristics of thin slab casting and rolling ( TSCR ) process , the article systematically researches the precipitating regulation of V elment and strengthening mechanism of V microalloyed steel .
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归纳了现有典型的多个C-Mn钢奥氏体再结晶过程的物理冶金模型,并采用2组模拟热连轧变形参数,对各模型进行了评价。
The available recrystallization models of C-Mn steels during hot rolling were reviewed and assessed under two different rolling schedules .
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本文建立了C-Mn钢在控制轧制和控制冷却生产中微观组织演变和力学性能预测的物理冶金模型。
A physical metallurgical model was developed to predict microstructure evolution and mechanical properties of C-Mn steel plate during controlled rolling and controlled cooling process .
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首先采用相变动力学方法对RPC超细组织钢的焊接热影响区组织变化规律进行了深入研究,测定了焊接SH-CCT曲线,为研究RPC超细组织钢焊接物理冶金规律、制订适宜的焊接工艺奠定了基础。
Firstly , the phase transformation kinetics of HAZ microstructure was investigated . A SH-CCT curve was gotten for this RPC ultrafine microstructure steel . It supplies plenty of information on the physical metallurgy , and is a base for the designing of welding process .
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铝在渗铝钢焊接时的物理冶金行为
Physico - metallurgical behaviour of aluminum in welding of calorized steel
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磁头材料的基本物理冶金问题(二)
Some Physical Metallurgical Problems of Magnetic Head Materials ( 2 )
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微合金化钢的物理冶金设计原则及应用
Physical metallurgical design principles and their uses in microalloying steels
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贵金属材料物理冶金评论
COMMENTARY A Review of Physical Metallurgy of Precious Metals
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BPSCCO/Ag超导复合带的物理冶金特性
Physico-Metallurgy Characteristics of BPSCCO / Ag Superconducting Tape
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铝&锂合金物理冶金的进展
The Progress of Physical Metallurgy of Al-Li Alloys
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定向凝固工艺是物理冶金法制备太阳能级多晶硅的一个重要环节。
Directional solidification process is an important part that of the physical metallurgy of solar energy polysilicon .
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从物理冶金方面来说,是微区热加工过程。
Of physical metallurgy .
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航空钛合金激光焊接全熔透稳定性及其焊接物理冶金研究
A Study on the Full Penetration Stability and Physical Metallurgy of the Laser Welding of Aeronautic Titanium Alloys
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再结晶和晶粒长大过程是制作金属材料最重要的物理冶金过程之一。
Recrystallization and grain growth process is one of the most important physical metallurgical processes to produce metal materials .
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讨论选用以阐明物理冶金与合金设计基本概念的金属合金当中的性质结构关系。
Discusses structure-property relationships in metallic alloys selected to illustrate some basic concepts of physical metallurgy and alloy design .
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进一步说明了离子注入不仅是一种理想的物理冶金方法,而且也是一种新的表面处理技术。
It is convinced that the ion implantation is not only an ideal physical metallurgical process but a new technique for surface treatment .
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从应用角度简要介绍了钛镍合金的研究和应用状况,简明地评述了它的物理冶金基础、热机械行为和力学模型的研究情况。
At the same time , the concise comments on TiNi 's physical metallurgical fundamentals , thermo-mechanical behaviors and mechanical modeling investigation were made .
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本论文尝试一种在满足热力学条件下以动力学控制相变过程从而控制金属材料物理冶金质量的方法。
In the thesis , the effort is to research on controlling phase transformations and physico-metallurgical qualities by kinetics on condition that meets the needs of thermodynamics .
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奥氏体-铁素体相变是钢铁材料制备、加工和热处理过程中发生的一种很普遍的物理冶金现象。
Austenite - ferrite phase change is the iron and steel materials preparation , processing and heat treatment in the course of a very common phenomenon of physical metallurgy .
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同时,为了比较真实地模拟压片预置式激光熔覆的物理冶金过程,考虑了粉末片组织形态、接触热阻和厚度的变化对温度场的影响。
In order to simulate the process of laser cladding truly , the change of the organization format of the squashing , contact resistance and height of the squashing is considered .
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评述几种典型的贵金属合金材料的物理冶金方法,讨论影响材料冶金质量的物理化学因素。
He methods of physical metallurgy have been reviewed for various kinds of typical materials of precious metals , and the physicochemical fsctors effecting the quality of materials have been also discussed .
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结果表明:超声波焊接是基于接头区域微齿顶端处高温、纯净金属发生大塑性变形后表面充分贴合两个因素基础上的金属键合和机械嵌合而形成接头的物理冶金过程。
The results show that the ultrasonic welding is a physical metallurgy process including metal bonding and mechanical embedment caused by high temperature on the top of teeth and large plastic deformation of metal .
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近年来,物理冶金和有限元理论的研究取得巨大进展,热力模拟实验设备日益普及,它们从理论和实验两个方面为轧钢过程的多场耦合数值模拟打下了坚实的基础。
In recent years , the universalization of thermo-mechanical simulation machines and great progress of physical metallurgy and finite element theories lay experimental and theoretical foundations for multi-field coupled numerical simulation of rolling process .
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激光熔覆是一个远离平衡态凝固的快速加热、快速冷却综合物理冶金过程,能够满足非晶合金形成的工艺条件。
Laser cladding is an integrated physical and metallurgical process of the rapid heating and then rapid cooling far away from the equilibrium state , which can meet the conditions for the amorphous alloy formation .
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高强度低碳贝氏体钢是国际上近20年来发展起来的一类新钢种,它具有高强度、高韧性、焊接性能优良等特点,是现代冶金技术与物理冶金研究成果相结合的产物。
High strength low carbon bainitic steel is a kind of steels which was developed in 20 years in the world . It has three characteristics : high strength , high ductility and excellent weld property .
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分析认为超声波焊接是基于纯洁金属表面充分贴合后微层熔化基础上的金属键合、机械嵌合等作用的物理冶金过程。
It can be said that the ultrasonic welding is a physical metallurgy process consists of mechanical embedment , and bonding that based on the joint of the pure metal , the micro-surface melting to form bonding .
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根据某厂2050热带钢粗轧机组轧制工艺,借助物理冶金组织演变模型,利用非线性有限元法开发了热连轧过程热、力、组织耦合三维刚塑性有限元模型。
Based on rolling technology of 2050 hot strip roughing mill group , a 3-D coupling thermal , mechanical and microstructural rigid-plastic finite element model had been developed by using nonlinear finite element method ( FEM ) and physical metallurgy microstructural evolution models .