您要查找的是不是:
- active alloying element 活性元素
- Some alloying element s make the grain of steelfiner , thus increasing the hardness and st rength ofsteel. 某些合金元素可精化钢的晶体度,从而提高了钢的硬度和强度。
- The change in strength of cryogenic austenitic steel with temperature and alloying element content was studied. 研究了低温奥氏体钢的强度随温度及合金元素含量的变化规律。
- Is it the only alloy element in steel? 它是钢中唯一的合金元素吗?
- Lead as an alloying element in copper (including brass and phosphor bronze) should less than 4 wt%. 铜合金(包含黄铜及磷青铜)中的铅允许浓度需在4%25以下。
- Be it the only alloy element in steel? 它是钢中唯一的合金元素吗?
- Thus, the role of alloying element depends mainly on its impact on the state diagram. 因此,合金元素的作用主要取决于其对状态图的影响。
- The interfacial diffusion of alloying element is an important factor to microstructure, apparent hardness and interfacial bond strength. 元素在界面两侧的扩散是影响材料显微组织、表观硬度及界面结合强度的关键。
- After tempering treatment at different conditions,the tempering stability of Fe-base hardfacing layer containing multiple alloying element was investigated. 对多元合金铁基堆焊层的焊态试样进行不同条件下的回火后处理,研究了该堆焊层的回火稳定性。
- In plain carbon steel, carbon is the only alloy element. 只有在普碳钢中,碳才是唯一的合金元素。
- It has been proved that rare earth La also pe-rmeates into the layer and acts as an alloying element during the process of ni-tro-carbo-boronizing witn ion microanalysis. 使材料的耐磨性、耐蚀性获得了明显提高,离子探针检测证实,稀土元素镧也渗入了钢的表面,起到了微合金化的作用。
- The effects of alloying element phosphorus on microstructure and properties of sintered compacts of short cast iron fibres has been studied in this pa-per. 研究了合金元素磷对铸铁短纤维烧结体显微组织和性能的影响。
- In plain carbon steel,carbon is the only alloy element. 只有在普碳钢中,碳才是唯一的合金元素。
- In plain carbon steel, carbon is the only alloy element . 只有在普碳钢中,碳才是唯一的合金元素。
- A number of alloying elements can be added to steel in order to make it suitable for specialized application . 为使钢更适于某些特定的用途,可以在钢中加入多种合金元素。
- THE MICROSCOPIC MECHANISM OF ALLOYING ELEMENTS AFFECTING THE DUCTILITY OR BRITTLENESS OF FeAl INTERMETALLICS?? 合金元素韧化或脆化FeAl金属间化合物的微观机制
- The effect of alloying elements on expansion coefficient of greg iron was investigated. 利用正交试验方法,研究了合金元素对灰铸铁膨胀系数的影响;
- The effect of graphite morphology and alloying elements on thermal fatigue resistance of cast iron was studied. 对石墨形态、合金元素等对铸铁抗热疲劳性能的影响进行了研究。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- Further reactions either involve outward diffusion of one of the alloying elements or inward diffusion of oxygen. 进一步反应或者涉及向外扩散之一的合金元素或向内扩散的氧气。