很硬淬火 的英文怎麼說
中文拼音 [hěnyìngcuìhuǒ]
很硬淬火
英文
glass hardness-
Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper. the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability, and raise its hardness and impact toughness
文摘:研究了一種復合鑄鐵磨球的組織和性能,結果表明,化學成分和淬火工藝對這種復合鑄鐵磨球的組織和性能有很大影響,微量的硼和適量的銅可以明顯地提高磨球的淬透性,經過余熱淬火得到貝氏體或馬氏體基體組織,從而提高磨球的硬度和沖擊韌性。
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