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- At different temperatures and heat preservation times, the results show that LBI as a adding boron is feasible.The seeping boron layer is continuous, even, dense, and no defect is produced. 结果表明,采用LB_I作渗硼剂是可行的,可获得连续、均匀、致密且无缺陷的渗硼层。
- The boron atoms for the formation of boronize layer in microwave field come from the activation boron atoms decomposed by medium and gaseous boride. 微波场下的渗硼层形成所需的硼原子来源于介质分解的活性硼原子和气态硼化物分解的硼原子。
- This paper deals in detail with ponder boronization process, boronized layer microstructure, phase structure and hardness of GW30 steel-bonded carbide. 详细叙述了GW30钢结硬质合金粉末渗工艺、渗层的组织结构、相结构及硬度探讨了硬质相WC粒子的分布状态对渗硼的影响。
- The distribution of boron and alloy elements in the boronized layer on Armco iron, steel 45, tool steel Cr12Mo, Cr26Mo or stainless steel Cr18Ni9Ti has been determined by a newly developed analytical method GDOS. 用辉光光谱分析测出了纯Fe,45钢,Cr12Mo工具钢,Cr26Mo和Cr18Ni9Ti不锈钢的渗硼层中硼与合金元素的分布规律。
- Through experiment the rule of effect of the technological parameters on thick ness of boronned layer and the corrosion resistanie of the boronned layer affer boronization of steel 45. 通过试验探讨了45钢渗硼后的组织和工艺参数对渗硼层厚度影响规律以及渗硼层的耐蚀性。
- This paper analyses the structure and properties of nickel-plating and boronizing layer. 分析研究了镀镍渗硼层组织结构和性能特点。
- The wear resistance of hard alloy (YG14) and boronizing layer,boron-chromizing layer for steel 45 was studied. 研究了硬质合金(YG14)和45钢渗硼层、硼铬共渗层的耐磨性。
- The hardness, brittleness and wear resistance of Re Chrome boronized layer and boronized layer are studied. 通过对钢单渗硼层和稀土硼铬共渗层的硬度、脆性和磨损特性进行研究。
- The solid boronizing process and it's properties of boronizing layer of 45. carbon steel are studied. 研究了45%23碳钢固相渗础工艺和配方,用金相显微镜、显微硬度计等研究渗硼组织结构。
- Composition and quantity of all elements in a spot were tested and changes of B, Cr atom in boronizing layer were analyzed by using Energy-Dispersive Spectrometer (EDS). 用扫描能谱仪(EDS)定点的测定了渗层中各处元素的组成及其含量,分析了铬元素在渗硼过程中的变化情况;
- Practicability of TiB2 boronizing layer as cathode has been examined by simulative aluminum electrolysis within 60-90minutes. 设计模拟铝电解实验,检验了TiB_2阴极渗层材料的实用性能并对其进行评估。
- The boronized layer of iron has also studied,so as to give a com-plete conception the boriding characteristics of the iron series e(?)ements. 文中还介绍了纯铁硼化物的有关数据,对“铁系元素”的渗硼特性有一个较为完整的描述。
- Microstructure observing and phase analysis of boronizing layer are finished through Olympus(BH-2) microscope, QUANTA-200 SEM, JSM-6700F SEM, HV-1000 microhardometer. 利用OLYMPUS(BH-2)金相显微镜、QUANTA-200型扫描电镜、JSM-6700F型扫描电镜、Hv-1000显微硬度计,对渗硼层进行组织观察和相分析以及测试渗硼层显微硬度。
- The results show that the better boronizing layer on the surface of steel can be obtained by using the boronizing supply agent,and RE can improve the quality of boriding layer. 结果表明:采用该渗硼剂可使钢件表面获得较好的渗硼层,且稀土可以提高渗层的质量。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The application of boronizing process would be widely extended when the shortcoming of boronizing,such as too high boronizing temperature and brittleness of boronized layer,was solved. 如能解决渗硼温度高和渗硼层脆性的问题,能使渗硼工艺更加广泛地应用。
- Of, relating to, derived from, or containing boron. 硼的硼的、与硼有关的、来源于硼的或含硼的
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层