Theoretical analyses have shown that boron benefits precipitation strengthening, solution strengthening and grain boundary strengthening.
理论分析表明:硼对沉淀强化、固溶强化和晶界强化均有贡献。
By using grain boundary engineering (GBE), it is possible to improve the mechanical, chemical and magnetic properties of metallic materials significantly.
利用晶界工程技术能够显著提高金属材料的力学、化学及磁学性能,因此,晶界工程已成为金属材料研究的一个重要领域。
High nitrogen and low nickel stainless steels exhibit attractive properties as high strength and ductility, good corrosion resistance and reduced tendency to grain boundary sensitization.
高氮低镍不锈钢具有良好的强度、延展性及耐腐蚀性能,且可以降低晶界的腐蚀敏感性。
The grain boundary energy was measured with thermal etching method.
用热蚀刻方法测量了合金的晶界能。
The reversible reaction appeared on grain boundary surface quite markedly.
晶界的这种可逆反应十分明显。
The equation of equilibrium segregation of boron to grain boundary was obtained.
建立了硼的晶界平衡集聚方程。
The formation of grain boundary step when machining poly-crystal is also examined.
还探讨了加工多晶材料时晶界台阶的形成。
Themicrostructure of bonded zone consist of upper bainite and grain boundary ferrite.
接合部组织由晶界铁素体及晶内上贝氏体组成。
The method for displaying the grain boundary was studied systematically and successfully.
对钢的晶粒度显示方法进行了系统研究,获得理想效果。
When the recrystallization completes, most of grain boundary is high Angle grain boundary.
当再结晶过程完成时,绝大部分晶界为大角度晶界。
Analysis of element distribution shows that the enrichment of si and Cu exists on the grain boundary.
对雾化粉末中各元素分布的分析表明,硅、铜等元素在晶界上有富积现象。
Elongation of the sample during superplastic deformation has a close relation with grain boundary width.
试样在超塑性变形时产生的伸长率与晶界宽度有密切联系。
Moreover, the rate-dependent deformation could also be explained from the point of grain boundary energy.
进而从晶界能量角度解释率相关变形的原因。
The dependence of grain boundary on conductivity in NTC polycrystalline oxide semiconductor was discussed.
主要讨论NTC多晶氧化物半导体中晶界对电导的影响。
Kinetic Process of zigzag grain boundary formation (ZGBF) in wrought nickel-base superalloys has been investigated.
本文重点研究镍基变形高温合金中弯曲晶界形成的动力学过程。
Grain sliding controlled by grain boundary diffusion is the main mechanism for low temperature superplastic behavior.
晶界扩散控制晶界滑动是低温超塑行为的主要机理。
The spin disorder and spin frustration that come from the grain boundary decrease the interaction between the grains.
颗粒界面处产生自旋无序和受挫,导致颗粒间耦合作用的削弱。
Finally, the characteristics of grain boundary electron barrier were described properly with superimposed barrier model.
最后,本文采用叠加势垒模型对晶界电子势垒的特性进行了很好的描述。
Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method.
采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。
Barium vacancy existed in grain boundary is responsible for the PTCR effect observed in donor doped barium titanate ceramics.
施主掺杂的钛酸钡陶瓷的PT CR效应来源于晶界上的钡空位。
But grains and grain boundary must be identified automatically by computer in order to achieve computer automatic measurement.
但为了实现计算机的自动测量,需要计算机能够自动的识别晶粒以及晶粒的边界。
As an attempt of grain boundary control, this method is a new ceramic powder fabrication technology having great significance.
这种技术作为晶界控制的尝试,是一种具有重大意义的新的陶瓷粉体制备技术。
The results showed that grain boundary width and grain boundary form of the aluminum alloy would change during superplastic deformation.
结果表明,此状态下的铝合金在超塑性变形过程中晶界宽度和形态会发生改变。
The results show that the films with dense and amorphous structure and lower grain boundary resistance were deposited at room temperature.
研究结果表明,室温下沉积的薄膜为颗粒致密的非晶相结构,晶界电阻较小。
Experimental results indicate that cavities are formed during superplastic deformation due to the inconsistency of grain boundary sliding.
实验结果表明,孔洞是由于超塑性拉伸变形中品界滑动不协调而引起的。
This paper explains the role of metallic materials grain boundary in high temperature oxidation behaviour of pure metals and alloys in brief.
扼要阐述了金属材料晶界在纯金属与合金高温氧化中的作用。
The grain resistance and the grain boundary resistance decrease with increase of temperature, so that the electrical conductivity is improved.
随着温度升高,晶粒电阻和晶界电阻逐渐降低,导电性更强。
The alloy phases are mostly distributed over the grain boundary in the form of compound phases, and they can hold back grain boundary migration.
这些合金相大多以复合相形式分布于晶界上,阻止晶界的扩展。
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,可以用晶界对溶质原子热运动散射的量子理论来解释溶质原子在运动晶界上的偏聚现象。
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,可以用晶界对溶质原子热运动散射的量子理论来解释溶质原子在运动晶界上的偏聚现象。
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