• The induced electromagnetic field possesses the action of electromagnetic purification, and effectively removes formation of impurity grain, segregation, negative segregation and gas cavity.

    感生磁场具有电磁净化作用可以有效地消除杂质颗粒以及偏析偏析气孔形成的机率。

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  • The results show that high content of impurity elements, segregation along grain boundaries and uneven grain size are main reasons for the surface damage of domestic tungsten targets.

    结果显示杂质元素含量偏高和沿晶界偏析以及均匀晶粒造成国产表面损伤主要原因

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  • The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation.

    结果表明,沿一次晶晶界成分偏析裂纹扩展阻力降低作用铸钢贝壳状断口形成主要原因

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  • In present work, the quantum theory of scatter of grain boundary to solutes has been proposed to explain the solute segregation on moving boundaries.

    本文提出,可以用晶界溶质原子热运动散射量子理论解释溶质原子在运动晶界的偏现象。

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  • The segregation of solute atoms in grain boundaries may be classified into equilibrium and non-equilibrium grain boundaries segregation.

    溶质原子晶界偏聚分为平衡晶界偏聚非平衡晶界偏聚两大类。

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  • The tempering embrittlement results from the precipitation and growth of M_6Ccarbides particles and the segregation of phosphorus at prior austenite grain boundaries.

    高温回火脆性晶界上m_6c碳化物析出长大由此所产生晶界偏聚共同作用的结果

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  • The test has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.

    通过试验论证淬火奥氏体晶界的偏聚,冷却过程中发生一种平衡晶界偏聚现象

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  • This paper shows that inheritance phenomenon of coarse austenite grains are due to the boundary segregation of carbide along the prior austenite grain boundary.

    研究表明,调后粗晶氏体遗传现象由于沿原奥氏体晶界碳化物析出结果。

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  • The non equilibrium segregation of manganese to austenite grain boundaries in Mn cryogenic steels is investigated.

    系统研究低温奥氏体晶界平衡

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  • The results show that high content of impurity elements, segregation along grain boundaries and uneven grain size are main reasons for the surface damage of domestic tung...

    结果显示杂质元素含量偏高和沿晶界偏析以及均匀的钨晶粒造成国产钨靶表面损伤主要原因

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  • During isothermal holding at low temperature, the nonequilibrium segregation promotes precipitation of boron constituent and establishment of equilibrium segregation at grain boundaries.

    较低温度等温平衡促进了晶界析出平衡偏聚的建立

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  • The segregation of solute elements on metal grain boundaries may be divided into two categories, that is, equilibrium and non-equilibrium segregation.

    溶质元素金属晶界可以分为平衡偏聚平衡偏聚。

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  • It has been demonstrated that the boron segregation at austenite grain boundaries in quenched steel is a non-equilibrium grain boundary segregation phenomena occurred during cooling.

    业已证实淬火中硼奥氏体晶界的偏聚,冷却过程中发生一种平衡晶界偏聚。

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  • An overview of the recent progress in the theoretical study of relationship between grain-boundary segregation and brittle fracture is provided.

    综述简要评价了晶界偏聚和材料脆性断裂之间关系理论研究进展情况。

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  • Laser glazing gives potential to enhance wear-resistance by refining grain structure, reducing segregation, producing supersaturation solid solution body and metastable or amorphous phases.

    激光上釉通过细化铸造组织减少偏析及形成高度过饱和固溶体等亚稳定乃至非晶态而提高了材料的耐磨性、抗氧化性和抗腐蚀性能。

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  • The relationship between the boron hardenability factor and the equilibrium segregation of boron to grain boundary, the composition of steel, the austenitizing temperature, grain size was studied.

    研究淬透性因子晶界平衡集聚规律、成分氏体化温度晶粒尺寸的关系。建立硼的晶界平衡集聚方程。

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  • It is liable to produce various casting defects, such as coarse grain, shrinkage cavity, shrinkage porosity, hot tearing, microstructure segregation and solute segregation.

    铸造过程中容易产生各种铸造缺陷晶粒粗大、缩孔缩松、开裂、组织成份偏析等

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  • The equation of equilibrium segregation of boron to grain boundary was obtained.

    建立了晶界平衡集聚方程

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  • It is found that the alloying elements segregation in grains and the grain boundary cleanliness control the yield stress value and the tough-strength properties of this material respectively.

    发现材料晶内偏析奥氏体晶界洁净度分析控制钢的屈服强度和韧度。从而改变此钢按细化晶粒度控制强韧性工艺指导思想。

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  • The segregation of phosphorus on steel grain boundaries can be divided into two categories, which are, equilibrium segregation and non-equilibrium segregation.

    磷元素中的晶界可以分为平衡偏聚平衡偏聚。

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  • Therefore, the authors consider that segregation of P and Si at grain boundaries is one of the important reasons for IGC of non-sensitized 316L SS in the urea medium.

    认为磷(晶界富集固溶态316L不锈钢尿素生产介质中产生晶间腐蚀的重要原因之一

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  • Segregation of major characters such as plant height, growth period duration (GPD), length of panicle, 1000-grain weight and so on, appeared in the SP2 generation resulting from rs.

    SP2高、生育期、穗穗粒数、千粒重、结实率抗病性性状出现了较大的分离。

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  • Segregation of major characters such as plant height, growth period duration (GPD), length of panicle, 1000-grain weight and so on, appeared in the SP2 generation resulting from rs.

    SP2高、生育期、穗穗粒数、千粒重、结实率抗病性性状出现了较大的分离。

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