钢状
- 与 钢状 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results show that, as black carbon with particleshape, steel fiber with high aspect ratio and density does not reach to the vadose zone in higher content, their mechano-electric effect is not obvious.
研究结果表明:钢纤维长径比小,密度大,和粒子状的碳黑一样,在很高掺量仍处于未渗流区,两种水泥石的力电耦合效应都不明显。
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The results show that the shapes of agglomerates are alike to the cluster type inclusion particles in molten steel.
结果表明,模拟得到的凝聚体与钢中簇状类型夹杂物的形状相似。
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The results showed that the hardness of CGHAZ is decreasing,bainite ferrite strip coarsens,the shape of M-A constituents transforms strip into block,its size becomes large,and its bulk extends, with increasing of t8/5.In addition austenitic,M-A constituents in γ grain boundary coarsens and manifolds with increasing of t8/5.They all deteriorate the toughness of pipeline.And the extended zone of impact fracture shows brittle.
结果表明,随着t8/5的增加,粗晶区硬度逐渐减小,贝氏体化铁素体粗化,且其间的M-A组元由条状转变为块状,平均弦长增加,体积分数增大,奥氏体晶界M-A组元增多变粗,管线钢的韧性恶化,抗裂性变差,冲击断口扩展区呈脆性断裂。
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An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone when welded, having a tensile strength greater than 830 MPa (120 ksi) and a micro-laminate microstructure comprising austenite film layers and fine-grained martensite/lower bainite laths, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature; stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.
在基体板以及焊接时的热影响区处的低温韧性优异的超高强度、可焊接、低合金钢具有高于830MPa(120ksi)的抗拉强度,并且具有包含奥氏体薄膜层和细晶粒的马氏体/下贝氏体板条的显微层状组织,所述钢的制备过程为:加热含有铁以及特定重量百分比的添加元素的钢坯,所述添加元素为碳,锰,镍,氮,铜,铬,钼,硅,铌,钒,钛,铝,以及硼中的一些或全部;在奥氏体可发生再结晶的温度范围内,采用一个或多个道次,将所述钢坯轧制成板材;在低于奥氏体再结晶温度但高于Ar 3 转变点的温度下,采用一个或多个道次对所述板材进行终轧;将所述终轧板材淬火至一适当淬火终止温度;停止所述淬火;或者在空冷前在QST点基本等温保持所述板材一段时间,或者对所述板材进行缓慢冷却,或者只是简单地将所述板材空冷至室温。
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The results show that the steel in different solution has better performance of anti-hydrogen induced cracking,there is no cracking inside the steel; micro-cracking on the specimen surface mainly nucleates at pitting corrosion pits and expands along the polygonal ferrite; the expansion mode is mostly transgranular type, and the expansion terminates in acicular ferrite.
研究结果表明:该管线钢在两种溶液中均具有较好的抗氢致开裂性能,试样内部没有发现裂纹;试样表面的微裂纹主要在点蚀坑处形核并沿多边形铁素体扩展,扩展模式多为穿晶型,并终止于针状铁素体。
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Acicular ferrite microstructure in micro-alloyed steels, which nucleates around non-metallic inclusions, especially oxide inclusions, has high strength and good toughness and possesses strong grain-refining ability by itself. The ultra-fine grained steel with excellent weldability is likely to be produced by forming in materials a great number of fine and dispersive micro-inclusions which is helpful to induce AF to nucleate around them through oxide metallurgy technology.
微合金钢针状铁素体组织强度高、韧性好,在奥氏体晶内非金属夹杂物上诱导形核,具有很强的自身细化晶粒的能力,通过氧化物冶金技术控制钢铁材料形成大量细小、弥散,具有诱导AF形核能力的有益微夹杂物,有望获得焊接性能优良的超细晶粒钢。
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The principal part of the stadium is a series of steel trusses woven together around the bowl-like audience stand into a form of "nest". Hence the nickname "Bird-nest".
国家体育场设计方案主体由一系列钢桁架围绕碗状坐席区编制而成,形似&鸟巢&,因而得名。
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A stadium in Algeria is comprised of bowl-shaped concrete stand and steel roof structure.
阿尔及利亚某体育场结构体系由碗状混凝土看台与钢结构屋盖组成。
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14G diamond plate steel tubular frame.
坚固性:14G菱形钢,管状结构。
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The presence of austenite at any 10% would causeloss of strength of both steels about 10 kg/mm~2, however, their toughness mightbe actually improved by these softer austenites formed along the boundaries oflath martensite.
回火奥氏体的存在使强度下降,估计10%的奥氏体使强度损失约10kg/mm~2。但较软的回火奥氏体沿板条状马氏体边界形成改善钢的韧性,使冲击韧性a_K提高。
- 推荐网络例句
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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.
主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。
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Male cats normally do not need aftercare with the exception of the night after the anesthetic.
男猫通常不需要善后除了晚上的麻醉。
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Its advantage is that it can be used in smaller units.
其优点在于可以在较小的单位中应用。