细晶区组织以马氏体为主,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.
试验还证明,工作应力对粗晶区回火脆性的影响不大。
The tests prove that the working stress has little effect on the temper embrittlement of the coarse grained region.
在这一结晶阶段生成不完善的晶区并伴有密度剧增现象。
At this stage of crystallization imperfect crystalline regions are formed and an abrupt increase of density is observed.
因此,认为纤维素和聚丙烯腈在非晶区具有一定的相容性。
Then, we consider that the cellulose and polyacrylonitrile are somewhat compatible in their amorphous area.
纤维总糖量、晶区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.
解决这一问题的关键是扩大铸坯等轴晶区比例,细化晶粒。
The key to solve these problems is enlarging equiaxed grain zone and fining grain size.
研究了DD 8高温合金在平界面及胞晶区的晶粒竞争生长。
The competitive grain growth of DD8 high temperature alloy in planar and cellular interface region has been investigated.
研究结果表明,向钢液中加入形核剂可有效地扩大等轴晶区。
The results show that adding medium carbon nucleating agents into high carbon steel grade can effectively enlarge equiaxed grain zone and fine grain size;
根据分解后的图谱计算出纤维素相对结晶度、晶区大小等参数。
Relative crystallinity and size Of crystalline regions were calculated by means of the decomposed diffraction patterns.
交联反应主要发生在棉纤维的无定形区,对晶区结构基本没有影响。
The cross-linking reaction mostly occurred in amorphism region so that almost no influence to crystal structure of fibre.
结果表明:锂能消除合金凝固态的柱状晶区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;
过滤后铸棒组织中的柱状晶区缩小,中心等轴晶区扩大、晶粒度降低。
The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.
干燥致密化过程有利于晶区的生长和完善,同时固定了纤维的取向态结构。
The drying densification process favors the growth of pseudocrystalline regions while consolidating the orientation texture.
采用热模拟技术研究了二次热循环对X80级管线钢焊接粗晶区性能的影响。
To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.
工艺参数影响冶金结合带的优劣、胞状晶区的厚薄以及夹杂物的有无和分布。
The good and bad of metallurgical belt, the cellular crystal thickness and the availability and distribution of inclusions are affected by the parameters.
结果表明,晶区的非晶化转变是原丝在预氧化过程中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.
通过对管线钢焊接粗晶区韧性影响因素的分析,提出了管线钢粗晶区的韧化方向。
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.
结果表明,气体的透过主要发生在PMP的无定形区域,但也在PMP的晶区进行。
The results showed that gas permeation mainly occurs in amorphous region of the PMP, but also in the crystalline region.
介绍了BOPP薄膜的结晶行为和取向行为,分析了晶区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.
力学性能测试结果表明,除在临界二相区加热外,二次热循环均使粗晶区得到初化。
The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.
同时,还从焊接粗晶区组织变化中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.
结果表明:在不同的焊接热循环条件下,焊接粗晶区组织主要是板条贝氏体和粒状贝氏体。
The result show that the microstructure formed after thermal cycle was mainly lath bainite and granular bainite in CGHAZ .
采用焊接热模拟试验和冲击试验,研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
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.
采用焊接热模拟的方法,模拟HAZ粗晶区组织,并在不同回火参数下对试样进行焊后热处理。
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.
随着C含量提高,焊接粗晶区中的晶粒粗化被抑制,因此,使得冲击性能和疲劳强度被明显提高。
As carbon content increasing, the grain coarsening of CGHAZ is inhibited, thus, the impact toughness and fatigue strength are significantly improved.
本文用力学-振动光谱研究了硬弹性聚丙烯(HEPP)晶区和非晶区分子链在拉伸时取向的变化。
The orientation behaviour of molecular chains of hard elastic polypropylene(HEPP) film was investigated on the uniaxial stretching by polarized IR Vibration-Mechanical Spectroscopy.
采用二维有限元数值方法分析了焊接热影响区粗晶区(CGHAZ)中局部硬化区(LHZ)的作用。
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.
在试验的焊接条件下,WCX355超细晶钢在热影响粗晶区未有明显脆化,在回火区也未发生软化现象。
Under the experiment's welding condition, WCX355 ultrafine grained steels didn't distinctly embrittle in CGHAZ and didn't soften in tempering zone either.
WAXD分析显示,金属离子的吸附不仅发生在非晶区,也渗透到晶区,对晶区的破坏程度正比于吸附量。
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.
结果表明,细小弥散的第二相粒子能有效地阻碍焊接热影响区粗晶区的原奥氏体晶粒长大,改善该区域的韧性。
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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