dislocation pile up

A Probe into the CAI Courseware of Dislocation of Metallography Course;

金属学课程中位错部分CAI课件的探讨

Influence of image force on dislocation configuration near free surface of high purity aluminium;

映像力对高纯铝自由表面附近位错组态的影响

TME study of dislocation configuration of heat-resistant steel 12Cr1MoV heated at high temperature;

12Cr1MoV耐热钢高温加热过程中位错组态的TEM研究

In both primary γ-grains and γ-laths within lamellar α2+γ colonies, the ordinary 1/2<110] dislocations and the true twins created by1/6<112] partial dislocations or pseudotwins created by 1/6<121] partial dislocations were o.

结果表明,2种类型γ相中都能观察到1/2<110]普通位错和1/6<112]或者1/6<121]变形孪晶。

The helices come of screw dislocations.

蜷线起源于螺旋位错,它们的形状则决定于这些位错的符号与相对位置。

The microstructures, precipitates of thin foil and dislocations density of hot strip of low carbon steel produced by CSP were observed using optical microscope, H-800 transmission electron microscopy and positron annihilation technology (PAT).

采用金相显微镜、H—800透射电镜和正电子湮没方法分析了CSP热轧低碳钢板金相组织、析出物形貌、尺寸、分布及位错密度。

The dislocations in wheat straw pulp fibers were measured by comparing the average weighted length of the fiber before and after treatment with hydrochloric acid which induced the cleavage of the fibers in the dislocations.

用盐酸处理麦草化学浆,导致浆料纤维在位错点处折断,通过测定酸处理前后纤维的质均长度计算纤维上位错点的数目,并考察了位错点数目与漂白工艺、打浆转数和纤维自身强度间的关系。

Combining MAEAM with MD simulation method,both the relaxed structure and strain energy of an a[100] edge dislocation in metal Mo have been simulated systematically in atomic scales.

把MAEAM与MD模拟方法相结合,以Mo为例从原子尺度对bcc金属中的a【100】刃位错的弛豫结构和应变能进行了计算机模拟。

The interfacial energy of γ/ α interphase boundaries in the undeformde austenite and deformed austenite, the envir onment sensitive embedding energies (E ESE) of C, N and microalloyin g elements Nb , Ti or V (in the form of air mass) in the area of edge dislocation in austenite wer.

通过计算机编程建立奥氏体相中 12 [110 ]刃位错、奥氏体相中非形变区和形变区奥氏体 铁素体相界模型 。

The atomic structure model of 1/2 edge dislocation in ferrite phase of steel or iron was set up with computation programmed.

通过计算机编程建立了钢铁中铁素体相中的1/2[1 1 1]刃位错的原子结构模型,用实空间的连分数方法计算了碳、氮及合金元素在完整晶体及位错区引起的总结构能和环境敏感镶嵌能,讨论了碳、氮及合金元素在位错区的偏聚及交互作用。

The dislocation mechanism of aluminum alloy strengthening is introduced mainly.

介绍了铝合金的强化的位错机制,论述了铝合金强化的技术途径和方法,并进一步研究了高强铝合金的发展趋势。

Investigation on dislocation density of SiGe alloy grown by MBE;

分子束外延生长SiGe合金中位错密度的研究

The basic theories and the applications of both the critical resolved shear stress model and visco-plastic model are presented for predicting the dislocation density during crystal growth process.

与熔体不润湿、与晶体热膨胀系数相近的坩埚材料,低位错密度的籽晶可有效地抑制生长晶体的位错密度;固液界面的形状及晶体内的温度梯度是降低位错密度的关键控制因素,而两因素又受到炉膛温度梯度、长晶速率、气体和熔体对流等晶体生长工艺参数的影响。

Its dislocation density is 4.

采用化学气相输运法(CVT)在适合的温度和I2含量的条件下,生长出了25mm×3mm的ZnSe单晶,位错密度为6。

The mechanical model for a set of dislocations in an elastic isotropic layer sandwiched between two adherends of different materials is presented.

建立含有离散位错的层状材料力学模型;采用应力场修正方法,使用Airy应力函数及Fourier变换获得层状复合材料中单个位错应力场的弹性解;最后使用应力场叠加方法分析了位错和界面的耦合效应。

The rapidly quenched copper alloys containning high density vacancies produced helical dislocations during aging.

具有高浓度空位的急冷合金在时效过程中产生了蜷线位错。