نتایج جستجو برای: wear modeling
تعداد نتایج: 415254 فیلتر نتایج به سال:
Wear is the most important problem of moldboard plowshares. Because of cutting the soil, intensity of wear at the front portion of share is large and the effect of its wear on plow performance is considerable. In this research wear of the front portion of moldboard plowshares with respect to distance worked was studied. Wear of cylindrical specimens which were attached to the front portion of ...
Wear is the most important problem of moldboard plowshares. Because of cutting the soil, intensity of wear at the front portion of share is large and the effect of its wear on plow performance is considerable. In this research wear of the front portion of moldboard plowshares with respect to distance worked was studied. Wear of cylindrical specimens which were attached to the front portion of ...
in this research, surface composite layers containing nano sized tib2, al2o3-tib2, zro2 and cnt particles have been fabricated on aluminum alloy substrates by friction stir processing. the effects of different processing variables such as number of passes and strengthening particle distribution, hardness, and wear properties of surface nanocomposite layers have been evaluated by electron micros...
functionally graded aluminium/zirconia metal matrix composite was fabricated using stir casting technique followed by horizontal centrifugal casting process and a hollow cylindrical functionally graded composite (150 x 150 x 16 mm) was obtained with centrifuging speed of 1200 rpm. the microstructural evaluation and hardness test was carried out on the outer and inner surface of the functionally...
In this research titanium nitride (TiN) films were prepared by plasma assisted chemical vapor deposition using TiCl4, H2, N2 and Ar on the AISI H13 tool steel. Coatings were deposited during different substrate temperatures (460°C, 480 ° C and 510 °C). Wear tests were performed in order to study the acting wear mechanisms in the high(400 °C) and low (25 °C) temperature...
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