铝活塞耐磨处理工艺的研究（本科毕业论文设计）_论文 关键词：活塞、铝合金、硬质阳极氧化、硬度 [gap=1744]Key words：Piston, Aluminum alloy, Hard anodizing, Degree of hardness
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... degree of grind || 研磨程度 degree of hardness || 硬度值，硬度级 degree of internal order || 内部(分子间)有序度 ...
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... 硬度极限|hardness range 硬度级|degree of hardness 硬度计|hardness meter, hardometer, hardness tester ...
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Compared with that produced by routine EPC process, the mechanical properties and wear resistance have been greatly improved, impact toughness improved by 45%, degree of hardness strengthened by HRC4---4.5, wear-resisting raised by 35 %.
与常规法生产的低铬白口铸铁相比，力学性能和耐磨性明显提高，冲击韧性提高了24.5％，硬度提高了HRC4～4.5，相对耐磨性提高了35％。
参考来源 - 提高负压实型铸造低铬白口铸铁综合性能的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
These sartorius fitting's degree of hardness can reach above 60, and some even can reach above 65.
缝纫机配件硬度都可以达到60度以上，最高可以达到65度以上。
The maximum degree of hardness obtainable in steel by direct hardening is determined largely by the carbon content.
直接淬火后的刚所能获得的最大硬度在很大程度上时由含碳量决定的。
Die head and blades USES the alloy material, high degree of hardness ultra wear-resisting, surpasses the overseas similar product.
模头及刀片采用合金材料，高硬度超耐磨，优于国外同类产品。
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