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机械工程英语 看得懂才是王道 提前准备

发布时间:08-21

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随着出国留学人数的增加,出国留学专业选择也越来越广泛,机械工程留学也开始火爆起来,美国、英国、德国等都成了机械工程留学的热门国家。留学行家提醒大家,要顺利通过机械工程留学申请,大家还必须了解足够的专业知识。

机械工程英语翻译:Heat treatment of metals

The understanding of heat treatment is embraced by the broader study of metallurgy. Metallurgy is the physics, chemistry, and engineering related to metals from ore extraction to the final product.

对热处理的理解包含于对冶金学较广泛的研究。冶金学是物理学、化学和涉及金属从矿石提炼到最后产物的工程学。

Heat treatment is the operation of heating and cooling a metal in its solid state to change its physical properties. According to the procedure used, steel can be hardened to resist cutting action and abrasion, or it can be softened to permit machining.

热处理是将金属在固态加热和冷却以改变其物理性能的操作。按所采用的步骤,钢可以通过硬化来抵抗切削和磨损,也可以通过软化来允许机加工。

With the proper heat treatment internal stresses may be removed, grain size reduced, toughness increased, or a hard surface produced on a ductile interior. The analysis of the steel must be known because small percentages of certain elements, notably carbon, greatly affect the physical properties.

使用合适的热处理可以去除内应力、细化晶粒、增加韧性或在柔软材料上覆盖坚硬的表面。因为某些元素(尤其是碳)的微小百分比极大地影响物理性能,所以必须知道对钢的分析。

Alloy steel owe their properties to the presence of one or more elements other than carbon, namely nickel, chromium, manganese, molybdenum, tungsten, silicon, vanadium, and copper. Because of their improved physical properties they are used commercially in many ways not possible with carbon steels.

合金钢的性质取决于其所含有的除碳以外的一种或多种元素,如镍、铬、锰、钼、钨、硅、钒和铜。由于合金钢改善的物理性能,它们被大量使用在许多碳钢不适用的地方。

The following discussion applies principally to the heat treatment of ordinary commercial steels known as plain carbon steels. With this process the rate of cooling is the controlling factor, rapid cooling from above the critical range results in hard structure, whereas very slow cooling produces the opposite effect.

下列讨论主要针对被称为普通碳钢的工业用钢而言。热处理时冷却速率是控制要素,从高于临界温度快速冷却导致坚硬的组织结构,而缓慢冷却则产生相反效果。

机械工程英语翻译是申请机械工程留学的同学必须了解的知识,无论是在文书写作中,还是在大学面试中,都有可能涉及到其中的单词和句型,大家一定要足够重视,反复练习。


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