Higher content of nitrogen is benefit for increasing strength and toughness for V-N micro-alloyed hard wire rods steel.
较高的氮含量有利于提高硬线钢钒氮微合金化的强韧化效果。
This paper introduces the function of the chemical element of VN in themicroalloyed steels and the most economic, dependable method of V steel add N.
论述了VN元素在微合金化钢中的作用和钒钢中增氮最经济可靠的方法。
The B is obviously redistributed in B steel within the whole carbonized and carbonitrided case because of the interaction between B with N and C during carbonizing and carbonitriding.
含硼钢渗碳和碳氮共渗时，由于硼与氮及碳之间的相互作用，硼在整个渗层范围内发生明显的再分布。
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainless steel springs and pressure plates are standard.
标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
Based on an experimental study of multiple repairing welded joints on high strength offshore structure steel, the R-S-N curves and life estimation equations under Weibull distribution are presented.
对海洋平台用高强度钢焊接接头多次补焊的疲劳性能进行试验研究，给出采用威布尔分布下的寿命估算式及R—S—N曲线。
The results showed that the studied steel was made of ferrite and pearlite, when adding mass V and N to the steel it was benefit to offer a mount of precipitated phase and improve the strength.
结果表明：研制钢是由铁素体和珠光体组成，向钢中添加高的V和N元素，有利于增加更多的弥散析出相，提高其强度。
The efficiency of corrosion inhibition of imidazoline derivatives containing N, S or O for steel in hydrofluoric acid, hydrochloric acid and citric acid is studied.
本文研究了含N、S或O的咪唑啉衍生物对铜在无机酸和有机酸中的缓蚀效力。
Two precipitation modes of V (C, N) have been observed in the tested steel; interphase precipitation and random precipitation.
的沉淀析出存在两种形式：相间析出和随机析出。
The inhibition behavior of N-dodecyl benzotriazole cationic surfactant(DBCS)for mild carbon steel in 1.
研究了十二烷基苯并三氮唑（DBCS）阳离子表面活性剂的缓蚀性能。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
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