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anti spheroidizing
相关语句
  反球化
     The study also shows that surface activated elements have actions both in spheroidizing and anti spheroidizing, however such actions are not absolute, they can be converted mutually in certain condition.
     研究还表明 ,表面活性元素的球化和反球化作用不是绝对的 ,在一定条件下它们可能会相互转化。
短句来源
     In fact, not all the traditional spheroidizing or anti spheroidizing elements can promote or destroy the spheroidizaton process in all conditions, therefore, it is necessary to re recognize the spheroidizing and anti spheroidizing elements according to the solidification condition.
     传统理论中认定的球化和反球化元素 ,实际上并非在各种不同条件下都能促进或破坏球化 ,因此 ,有必要根据实际情况对球化元素与反球化元素进行重新界定
短句来源
  相似匹配句对
     Anti-H.
     结果表明,抗H.
短句来源
     Anti-S.
     体外模拟试验发现抗S.
短句来源
     Some trace elements which are considered as "anti-spheroidizing elements"in the normal s. g. iron production are adopted as spheroidizing agents for the low carbon s.
     低碳球铁采用传统球铁生产中被认为有“反球化”作用的元素作为球化剂,为球化机理的研究提供新的依据。
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According to relevant documentations, classify about constituent in spherodizing medium the effect and behavior of related elements in melted iron are analysed, the different understanding about traditional spheroidizing medium and anti-spheroidizing medium are presented , the spheroidizing ability of anti-spheroidizing elements are disscused, and draw the conclusion that spheroidizing and anti-spheroidizing are relative,it must add a certain condition ,the...

According to relevant documentations, classify about constituent in spherodizing medium the effect and behavior of related elements in melted iron are analysed, the different understanding about traditional spheroidizing medium and anti-spheroidizing medium are presented , the spheroidizing ability of anti-spheroidizing elements are disscused, and draw the conclusion that spheroidizing and anti-spheroidizing are relative,it must add a certain condition ,the anti-spheroidizing elements can spheroidize in some component melted iron, and providing a certain reference for spheroidized mechanism of ductile iron.

根据相关文献对球化剂中组成元素的分类 ,分析了有关元素在铁水中的作用及行为 ,提出了对传统球化剂和反球化剂的不同认识 ,探讨了反球化元素的球化能力 ,得出球化与反球化是相对而言的 ,必须附加一定的条件 ,在某些特定成分的铁液中反球化元素可以起到球化作用 ,为球墨铸铁的球化机理提供了一定的参考 .

Through the study on both the internal structure and the nucleus shape in low carbon ductile iron, influencing regularity of the nucleus shape on the graphite spheroidization has been discussed. The study indicates that existence of the nuclei is the basis of nucleation and the growing of the graphite, the nucleus shape has great influence on final shape of the graphite. Most nuclei with spherical or near spherical shape can grow up into spherical graphite, while nuclei with no regular shape can hardly grow...

Through the study on both the internal structure and the nucleus shape in low carbon ductile iron, influencing regularity of the nucleus shape on the graphite spheroidization has been discussed. The study indicates that existence of the nuclei is the basis of nucleation and the growing of the graphite, the nucleus shape has great influence on final shape of the graphite. Most nuclei with spherical or near spherical shape can grow up into spherical graphite, while nuclei with no regular shape can hardly grow up into spherical graphite. However,if there are only bubbles or spherical nuclei, but no suitable stickiness, pressure, under cooling, surface energy and adsorption in the iron melt, it is still very difficult for the nuclei growing into the spherical graphite. That is, all factors favorite in both forming spherical nuclei and growing in all directions in the iron melt can be regarded as factors promoting graphite spheroidization.The study also shows that surface activated elements have actions both in spheroidizing and anti spheroidizing, however such actions are not absolute, they can be converted mutually in certain condition. In fact, not all the traditional spheroidizing or anti spheroidizing elements can promote or destroy the spheroidizaton process in all conditions, therefore, it is necessary to re recognize the spheroidizing and anti spheroidizing elements according to the solidification condition.

研究了低碳球铁中球状石墨的内部结构及核心形状 ,探讨了核心形状对石墨球化的影响规律。研究表明 ,核心的存在是石墨形核长大的基础 ,而核心形状对石墨的最终形状起着至关重要的影响 ;球形或接近球形的石墨核心长大后大多都能保持原来的球状 ,形状不规则的核心 ,则很难长大成为圆整的球状石墨。但是 ,铁水中如果只有气泡或球形核心存在 ,而没有足够的粘度、压力、过冷度和较高的表面能以及吸附等其它充分条件的配合 ,这些核心仍然很难长大成为球状石墨。也就是说 ,凡是有利于铁水中形成球形核心 ,并有利于这种核心在各个方向均匀生长的因素 ,都可看作是促进石墨球化的因素 ,反之亦然。研究还表明 ,表面活性元素的球化和反球化作用不是绝对的 ,在一定条件下它们可能会相互转化。传统理论中认定的球化和反球化元素 ,实际上并非在各种不同条件下都能促进或破坏球化 ,因此 ,有必要根据实际情况对球化元素与反球化元素进行重新界定

As a new type of engineering material,the lowcarbon ductile iron with low cost and high performance has been developed into four grades,namely the as-cast high-toughness ferritic low-carbon ductile iron,as-cast high-strength pearlitic low-carbon ductile iron,quasi-cast wear-resistant bainitic low-carbon ductile iron,and as-cast heat-and corrosion-resistant austenitic low-carbon ductile iron.The low-carbon ductile iron was for the first time fabricated using anti-spheroidizing elements to spheroidize...

As a new type of engineering material,the lowcarbon ductile iron with low cost and high performance has been developed into four grades,namely the as-cast high-toughness ferritic low-carbon ductile iron,as-cast high-strength pearlitic low-carbon ductile iron,quasi-cast wear-resistant bainitic low-carbon ductile iron,and as-cast heat-and corrosion-resistant austenitic low-carbon ductile iron.The low-carbon ductile iron was for the first time fabricated using anti-spheroidizing elements to spheroidize a cast iron.It was thus realized that no striking difference existed between the spheroidizing elements and the anti-spheroidizing ones,all of them being surface activating elements.

低碳球铁是含碳量远低于常规含碳量的球墨铸铁,其突出特点是成本低,性价比高,现已发展成有不同特点的四个品种:铸态高韧塑性铁素体低碳球铁,铸态高强度珠光体低碳球铁,准铸态贝氏体低碳耐磨球铁,铸态耐热、耐蚀奥氏体低碳球铁.低碳球铁开辟了用反球化元素来进行球化的先河,使人们对球化机理有了全新的认识,球化元素与反球化元素没有本质的区别,均为表面活性元素.

 
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