نتایج جستجو برای: abrasion resistance
تعداد نتایج: 378470 فیلتر نتایج به سال:
More and more often, cemented carbides are employed for the production of wear resistant components have to face highly demanding service conditions that combine different damage mechanisms. A key example is range tetraphasic (sea water, sand, liquid gaseous hydrocarbons) flows encountered in Oil Gas extraction industry. Notwithstanding importance operating regimes this type, availability funda...
Grain size distributions in eolian settings are the result of both sorting and abrasion of grains by saltation. The two are tightly coupled because mobility of particles determines abrasion rate, while abrasion affects the mobility of particles by changing their mass and shape; few field studies have examined this quantitatively. We measured grain size and shape over a 9 km transect downwind of...
UNLABELLED BACKGROUND Excessive shoe heel abrasion is of concern to patients, parents and shoe manufacturers, but little scientific information is available. The purpose of this study was to describe the phenomenon in a group of infantry recruits performing similar physical activity, and search for biomechanical factors that might be related. METHODS Seventy-six subjects (median age 19) en...
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