B. mirror finish C. sloping surface D. inclined surface 相关知识点: 试题来源: 解析 B 答案:B解析:tin:锡;aluminum:铝;alloy:合金.bond:粘合;pin:销,刺穿,钉住;polish:抛光,精细;flat:平坦的[译文]:因为高负载,轴承材料在钢瓦上粘附锡铝合金。十字头销被高度抛光至镜面度。反馈 收藏 ...
An aluminum alloy is used as bearing metalVADERS,EUGEN,DR.
aThe reactor is made of an aluminum alloy which has a controlled corrosion rate (approx. 1.5mm per year) in the reaction medium, thus preventing scale formation on the reactor walls and consequent reduction of heat transfer. 反应器大约有一种受控腐蚀速率的被做 (铝合金。 1.5mm每年) 在反应媒介...
An alloy is a material made from two or more metals. The metal alloy is known for its excellent characteristics. The metal alloy is typically stronger and harder than pure metal, while also possessing good mechanical properties and corrosion resistance. The most common changes include an increase ...
6061 aluminum alloy is a versatile material that can be used in a variety of applications due to...
aThe most important feature of aluminum is its corrosion resistance due to the presence of a thin, adherent and protective surface oxide film. Aluminum and its alloy, however, are reactive materials and 铝最重要的特点是它的耐腐蚀性由于出现稀薄,依附和防护表面氧化膜。 铝和它的合金,然而,是易反应...
Aluminum is considered the best option for engineering heat sinks because it is cost-friendly, lightweight and most importantly has great thermal conductivity. Which Metals Conduct Heat The Best? Copper and Aluminium among other metals have the highest thermal conductivity. Before using metal in any...
PURPOSE:To produce an Al material having high pitting corrosion resistance by immersing an Al material in a soln. having a specified fluorine ion content at a specified temp. to form a coating film of aluminum oxide hydrate contg. fluorine. CONSTITUTION:An Al or Al alloy material is immersed ...
aThe 6005A aluminum alloy is a moderate strength alloy extensively used for panel components in aerospace industries and an entire range of railway applications [1,2]. In the past several decades, many studies have been published focusing on manufacturing processes of this alloy [1–9]. 6005A铝...
many metal materials that are referred to as “aluminum” are actually alloys. Aluminum foil, for example, is usually an alloy of 92% to 99% aluminum. Because of their high strength-to-weight ratio, aluminum alloys are important for the aerospace industry and other areas of transportation and...