【摘 要】
：
In order to improve resisting performance of heat,wear and erosion as well as anti-thermal fatigue,build-up welding materials of brake-disc for drilling rig with better performance is developed,and it
【机 构】
：
College of Mechanical Engineering & Applied Electronics technology,Beijing University of Technology,
【出 处】
：
Fifth International Conference on Surface Engineering(第五届表面工
论文部分内容阅读
In order to improve resisting performance of heat,wear and erosion as well as anti-thermal fatigue,build-up welding materials of brake-disc for drilling rig with better performance is developed,and its wear mechanism is investigated based on friction and wear characteristic.Topography,constituents and phase structure of wear surface of brake disc is analyzed by employing SEM,EDAX and XRD when the thermal equilibrium temperature is at 150 ℃ and 300 ℃.XRD pattern shows that iron-base solid solution of α-Fe and Cr in build-up welding material has fine property of crack arrest,in addition,α-Fe turns into γ-Fe under frictional heat as well as frictional austenite phase γ-(Fe,Ni)+α-Fe+carbide forms,which improves plastic deformation ability of material and anti-thermal fatigue property of brake-disc.
其他文献
The composite electroless plating layer that consists of the Ni-P continuous phase and the dispersed particle phase has higher hardness,wearability and special physical and chemical properties than th
Vanadium dioxide is well known for the reversible thermally-induced semiconductor-metal phase transition which is accompanied by large changes in electrical and optical properties near 68 ℃.In order t
Surface modifications were performed on the tin-doped indium oxide (ITO) substrates for optoelectronic devices,using the different treatment methods (ultrasonic degreasing,aquaregia treatment,base (Na
The nanostructured surface layers were fabricated on a thermal refining chrome-silicon alloy steel and a hypoeutectoid medium carbon steel by mean of Supersonic Fine Particles Bombarding (SFPB) based
Polishing the inner surface of slender pipe is very difficult,especially for the curve pipe.Because a usual tool do not into the inner of the surface of a curve pipe,and making to automation do not ac
In this paper,a 3D finite element model is established to simulate the ultrasonic shot peening process by using a finite element software ABAQUS.The residual stress distribution of the AISI 304 stainl
The surface roughness and surface integrity resulting from net-shape processing may be detrimental to the fatigue-life and cerrosion resistance of engineering components.The most common methods enroll
Quite recently,with development of the nano-technology,nano-particles of metal,metal oxides and non-metal have been used in industrial application as additives in lubricating oils.In this condition,a
Friction behaviors of the diamond-like carbon (DLC) film sliding against Si3N4 ball were investigated on a ball-on-disk tester in different atmospheres.The worn surface morphologies of the DLC films w
Consumable-rod Friction surfacing (CFS) is an advanced surface modification method,so it is of great importance to study figuration mechanism of surfacing layer in friction surfacing process for contr