The results show that P/M valve seats using this technology has high density and high carbon content , and their microstructure are martensite , bainite and network carbide.
结果表明，采用该工艺可获得高密度、高碳含量、具有马氏体、贝氏体和网状碳化物组织的粉末冶金气门座。
The experimental results show that the uniformity of spherical carbide can be increased, the grade of network carbide and banded carbide can be decreased, the austenite grain can be refined.
结果表明，碳化物分布均匀性提高，碳化物网状级别及碳化物带状级别降低，奥氏体晶粒尺寸减小。
The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner roll body were the main causes of heavy back-up roll stationary cracking.
结果表明，辊身心部较高的内应力和在带状碳化物中存在严重的网状碳化物是造成大型支承辊置裂的主要原因。
While forging the high-carbon chromium bearing steel by the finish forge press, there still remains the issues that the carbide network can not be crushed with the low qualification rate.
精锻机锻造高碳铬轴承钢时存在网状碳化物不易破碎、锻件合格率低的问题。
In order to detect the carbide network in high carbon hypereutectoid steel wire rods accurately, two kinds of detection method of the carbide network are compared.
为了准确地检验高碳过共析钢盘条中的网状渗碳体，分别对选用硝酸酒精溶液侵蚀和碱性苦味酸钠水溶液热侵蚀两种显示方法进行了比较。
To break down the eutectic carbide network of A-cast structure with grain size 4-5 grade, tensile strain of 60% is needed.
当铸志晶粒度力4 ~ 5级寸，破碎晶炭化物组织需要有60%以上的拉应变。
When boron content surpasses 0.010 %, there is some clear continuous carbide network or discontinuous carbide network in the microstructure, as a result, the impact toughness declines greatly.
当硼含量大于0 . 0 10 %时，铸态组织中出现了明显的网状或断网状碳化物，冲击韧性下降幅度较大。
When boron content surpasses 0.010 %, there is some clear continuous carbide network or discontinuous carbide network in the microstructure, as a result, the impact toughness declines greatly.
当硼含量大于0 . 0 10 %时，铸态组织中出现了明显的网状或断网状碳化物，冲击韧性下降幅度较大。
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