• 组织马氏为主,组织细小均匀

    Microstructure in fine grain zone was mainly composed of martensite, and its grain size was very small and uniform.

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  • 试验证明工作应力回火脆性影响不大

    The tests prove that the working stress has little effect on the temper embrittlement of the coarse grained region.

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  • 阶段生成不完善伴有密度剧增现象。

    At this stage of crystallization imperfect crystalline regions are formed and an abrupt increase of density is observed.

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  • 因此认为纤维素丙烯腈具有一定的相容性

    Then, we consider that the cellulose and polyacrylonitrile are somewhat compatible in their amorphous area.

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  • 纤维量、取向参数具有中段优势的空间分布特点;

    The total fiber sugar and quartz area parameter are characterized by the mid-branch.

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  • 解决问题关键扩大铸坯等轴比例细化

    The key to solve these problems is enlarging equiaxed grain zone and fining grain size.

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  • 研究DD 8高温合金界面竞争生长

    The competitive grain growth of DD8 high temperature alloy in planar and cellular interface region has been investigated.

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  • 研究结果表明加入有效地扩大等轴

    The results show that adding medium carbon nucleating agents into high carbon steel grade can effectively enlarge equiaxed grain zone and fine grain size;

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  • 根据分解后图谱计算出纤维素相对大小等参数。

    Relative crystallinity and size Of crystalline regions were calculated by means of the decomposed diffraction patterns.

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  • 反应主要发生棉纤维无定形结构基本没有影响

    The cross-linking reaction mostly occurred in amorphism region so that almost no influence to crystal structure of fibre.

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  • 结果表明锂能消除合金凝固态并使之转变为等轴晶区

    The results show that the dendrite crystal area of alloy is diminished and then become equiaxed structures after lithium is added;

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  • 过滤后铸棒组织中的柱状缩小,中心等轴扩大降低

    The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.

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  • 干燥致密过程有利于晶区生长和完善,同时固定纤维的取向态结构

    The drying densification process favors the growth of pseudocrystalline regions while consolidating the orientation texture.

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  • 采用模拟技术研究二次循环X80级管线焊接性能影响

    To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.

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  • 工艺参数影响冶金结合带优劣、的厚薄以及夹杂有无分布

    The good and bad of metallurgical belt, the cellular crystal thickness and the availability and distribution of inclusions are affected by the parameters.

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  • 结果表明的非化转变在预氧化过程组织结构演变的主要形式

    The results show that amorphization of crystallite is the main form of microstructural evolution during thermal stabilization of PAN fibers.

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  • 通过管线焊接韧性影响因素分析提出了管线钢粗的韧方向

    Through the analysis of elements affecting the rough crystal zone in pipeline steel weld, it raises the flexing direction of rough crystal zone of pipeline steel.

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  • 结果表明气体透过主要发生PMP无定形在PMP进行。

    The results showed that gas permeation mainly occurs in amorphous region of the PMP, but also in the crystalline region.

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  • 介绍了BOPP薄膜行为取向行为分析和非晶区取向的不同特点。

    The crystallization and orientation behaviors of BOPP film were discussed. The orientation features in crystalline and amorphous regions were compared.

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  • 力学性能测试结果表明临界加热外,二次循环使得到初化。

    The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.

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  • 同时焊接组织变化找出了粗晶区性能变化的原因,并提出了韧化方向

    Meantime it finds out property change reason of coarse crystal area from welding coarse crystal area structure change and puts forward the direction of toughness.

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  • 结果表明不同的焊接循环条件下,焊接粗晶区组织主要板条粒状贝氏体。

    The result show that the microstructure formed after thermal cycle was mainly lath bainite and granular bainite in CGHAZ .

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  • 采用焊接模拟试验冲击试验研究了X80管线焊接循环组织性能影响

    The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.

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  • 采用焊接模拟方法,模拟HAZ粗晶区组织不同回火参数试样进行后热处理。

    By use of the method of welding thermal simulation, the morphology in HAZ was simulated and the post-weld heat treatment under different tempering parameter to the test specimen was carried out.

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  • 随着C含量提高,焊接粗晶区中的粗化被抑制因此,使得冲击性能疲劳强度明显提高

    As carbon content increasing, the grain coarsening of CGHAZ is inhibited, thus, the impact toughness and fatigue strength are significantly improved.

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  • 本文用力学-振动光谱研究弹性聚丙烯HEPP晶区和非晶区分子拉伸取向变化。

    The orientation behaviour of molecular chains of hard elastic polypropylene(HEPP) film was investigated on the uniaxial stretching by polarized IR Vibration-Mechanical Spectroscopy.

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  • 采用二维有限元数值方法分析焊接影响晶区CGHAZ)中局部硬化LHZ作用。

    The effect of the local hard zone (LHZ) distributed in the coarse grained HAZ (CGHAZ) has been analyzed by 2-dimensional FEM on a mechanical model of the weld CGHAZ.

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  • 试验焊接条件下WCX355超细热影响粗晶区未有明显脆化,在回火也未发生软化现象。

    Under the experiment's welding condition, WCX355 ultrafine grained steels didn't distinctly embrittle in CGHAZ and didn't soften in tempering zone either.

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  • WAXD分析显示金属离子吸附不仅发生在非,也渗透破坏程度正比吸附

    WAXD results indicate metal ions adsorbed onto both the amorphous and crystal regions of AECTS, and the destructive degree of the crystal region was in direct proportion to the adsorption capacity.

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  • 结果表明细小弥散的第二粒子有效地阻碍焊接热影响晶区的原奥氏体粒长大改善域的韧性

    The results show that the dispersed second phase particles can effectively retard the growth of austenite grain in the CGHAZ, and improve the toughness.

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