予处理温度对针状组织的性能基本无影响，但升高予处理温度对颗粒状组织的性能有害。
The heating temperature of pretreatment hasn't much influence on the properties for acicular structure, but it is detrimental to the properties for granular structure.
结果表明，锆的加入增加了焊缝金属中针状铁素体的含量，改善了焊缝金属的微观组织。
The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
结果表明：随钼的质量分数增加，针状铁素体的含量增加，并且出现了M - A组织。
The results show that, with the increase of Mo content, the acicular ferrite's content increases, and M-A microstructure appears.
结果表明，当获得针状铁素体组织时，钢板具有最佳的综合力学性能。
The results show that the steel plate has excellent integrated mechanical properties, when it obtain the acicular ferrite.
简要介绍了宝钢试制的以针状铁素体组织为特征的X80级管线钢热轧板卷。
It represents the trial manufacture of grade X80 pipelines steel hot rolled coil with characteristic of acicular ferrite at BaoSteel Mill.
准铸态贝氏体低碳球铁韧塑性的提高，与其组织中形成的大量奥氏体和镶嵌在当中的针状无碳贝氏体密切相关。
The enhancement of toughness and plasticity of quasi-as-cast bainite low carbon ductile iron is contributed by the large amount of austenite and acicular carbon-free bainite inlaying in the austenite.
钢的组织主要由针状铁素体和马氏体两相组成。
Mainly its metallographic structure consists of acicular ferrite and martensite.
组织观察发现，除形成球状a、针状A外，还形成羽毛状a。
By observing microstructures, we find they may form spheroidal a, acicular a and feathery a.
结果表明：试验钢的组织由细小岛状马氏体与针状铁素体为主构成，马氏体体积分数为27．6%。
The results showed that the microstructure of the steel was mainly composed of fine island-like martensite and acicular ferrite, with a 27.6% of martensite volume fraction.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
这种粒状组织，与针状铁相相比，对合金性能的影响要小得多，甚至可以起到强化组织的作用。
This kind of granular structure is less harmful to the properties of the alloy than the needle like iron phase, and even can be functional to strengthen structure.
结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
Microstructure of the deposited metals is composed of acicular ferrite and a little proeutectoid ferrite.
因此纳米针状的HA与人体骨组织成分更为相似，具有更佳的生物性能。
Therefore, the syntheic nano needle HA similar to the natural human bone has a better bioactivity.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.
试验钢由针状铁素体和少量块状铁素体组成，焊缝为典型的针状铁素体组织，焊接热影响区粗晶区以粒状贝氏体为主。
The toughness of weld metal is the highest while the coarse grained region in the HAZ is the lowest because of welding thermal cycle and formation of brittle microstructure.
采用合适的TMCP工艺，可以在低碳合金管线钢中获得不同组成比的针状铁素体复相组织。
By using appropriate TMCP process, complex phase of acicular ferrite with different compositions could be obtained in low carbon alloy pipeline steel.
其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。
The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine precipitated particles and high-den…
焊缝组织主要由晶界铁素体、侧板条铁素体和针状铁素体组成；
The welded metal consists of grain boundary ferrite, ferrite side plate and acicular ferrite.
由于低屈强比和组织均匀，管线钢采用针状铁素体组织可以具有较好的（管）成型性及耐腐蚀性。 用针状铁素体管线钢平板或卷板制造的焊管的力学性能彼此相差不大。
Pipeline steel adopting the spicular ferrite owns the better properties of forming and anti corrosion for its low ratio of yield strength and tensile strength and uniform microstructure.
其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。
The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine preci…
结果表明，该低碳贝氏体钢的微观组织主要为板条贝氏体、粒状贝氏体、准多边形铁素体及针状铁素体的复合组织。
The results indicate that the microstructure of specimen is mainly lathe bainite, granular bainite, quasi-polygonal ferrite and acicular ferrite.
结果表明，该低碳贝氏体钢的微观组织主要为板条贝氏体、粒状贝氏体、准多边形铁素体及针状铁素体的复合组织。
The results indicate that the microstructure of specimen is mainly lathe bainite, granular bainite, quasi-polygonal ferrite and acicular ferrite.
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