نتایج جستجو برای: vacuum brazing
تعداد نتایج: 47874 فیلتر نتایج به سال:
The paper considers the possibility of replacing process conventional vacuum brazing a molybdenum plate on carbon steel using copper with laser-directed energy deposition domestically produced powder. research task is motivated by demand for removing low-melting from coatings steel. parameters manufacturing additive technology (LDED), which provides required operational properties without furth...
The determination of the mechanical properties a brazed joint is an important factor to reach metallurgical level development. This paper evaluates properties, and its correlation with microstructure, W-CuCrZr in high vacuum furnace using 80Cu-20Ti flexible filler material tape form. meant be implemented divertor application future fusion power plants. Main experimental parameters were brazing ...
A Demonstration (DEMO) thermonuclear reactor is the next step after International Thermonuclear Experimental Reactor (ITER). Designs for a DEMO divertor and First Wall require joining of tungsten to steel; this difficult task, however, because metals’ physical properties necessary operating conditions. Brazing prospective technology that could be used solve problem. This work examines state-of-...
Laser powder bed fusion processes (LPBF) offer the best possible design options for production of highly complex components with unique functionalities. Although development additive manufacturing is progressing impressively and build rates have already been significantly increased, economic high-volume still particularly truncated. Comparatively expensive powders, machine-hour a limited constr...
Particular attention has been given to the complexity of elastic-porous sandwich structure with entangled metallic wire mesh (EMWM), which is a novel rigid-flexible heterogeneous and symmetrical material. The orthogonal experiment design for vacuum brazing was adopted sensitivity analysis key fabrication process on performances an EMWM structure. shear behaviors structures different parameters ...
In this research, Ti-6Al-4V alloy was brazed with 410 stainless steel by three different filler metals as silver-base, nickel-base, and titanium-base alloys. In order to obtain optimum clearance, brazing was done in three different clearances of 0.02, 0.04 and 0.06 mm. Also, the strength and hardness of the brazing zone were investigated. The results of shear strength showed that the brazed ...
Nowadays, cemented carbides-steels joints by brazing method are taken into consideration. One of the problems of these joints is the creation residual stresses that can reduce it with choose correct parameters of brazing. In this study, Silver base alloy filler containing copper, zinc and cadmium have been used in temperature 780°C and the effect of time parameter 5, 10 and 15 minutes on micros...
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