http://xh.51bc.net/en/a9261b30390c16484d.html Webhypereutectic adj. 『化学』超低共熔的 [adj. 『化学』超低共熔的 ]

AOD中文，AOD的意思，AOD翻譯及用法 - 英漢詞典

WebHypereutectic Al-Si alloys have been applied as structural materials in various fields thanks to their favorable wear resistance, good thermal conductivity and low coefficient of thermal expansion. Nevertheless, such alloys usually have poor strength and ductility because the coarse primary Si and acicular eutectic Si in the matrix can severely degrade the … Web1 aug. 2009 · Abstract and Figures. Precipitation of primary silicon was studied in Al-Si hypereutectic alloys with 15, 18, and 25 wt. % silicon content. The alloys were solidified with different cooling rates ... labradoodle breeders gold coast australia

Joining of Hypereutectic Al-50Si Alloys Using Lead-Free Brazing …

Web2 dagen geleden · Industrial Produce of Low Carbon Ductile Iron Grinding Ball by EPC. Processing and Elevated Temperature Strength of TiC Composites Reinforced with Carbon Fibers. Effect of titanium additions to low carbon, low manganese steels. High-energy ball-milling preparation and characterization of Ln2O3−graphite nanocomposites. Web共晶系統或共熔系統（英語： eutectic system ），冶金學名詞，是指兩個不同化學物質或元素，在以某一特定比例混合後，能夠在比各自熔點還要低的溫度下，進行加熱熔合，形成均勻的混合物（mixture）。 用來形成共晶系統的混合物被稱為共晶混合物或共熔混合 … WebA hypereutectic aluminum-silicon alloy produced by a powder metallurgy technique disclosed herein comprises 12 to 50% by weight of silicon, 1.0 to 5.0% by weight of copper and 0.01 to 0.05% by weight of phosphorus, the content of Ca as an impurity being controlled to be 0.03% by weight or less. The hyereutectic aluminum-silicon alloy of the … promotional code for island rent a car