查询词典 coarsened

With increasing aging temperature, the precipitates coarsened and tended to segregate at grain boundaries, causing the decreased strength and the degraded SME.

同时添加RE和碳的Fe-25Mn-6Si-5Cr-0.29RE-0.11C合金在不同温度下时效后，获得了含稀土的碳化物沉淀相。

Tanned and coarsened from being outdoors.

在户外晒黑的，变粗糙的。

The results showed that for both of the alloys grains were obviously refined to same extent with increase in Ti content, and the grain sizes were coarsened to some extent due to evident fading of Ti effect during melt holding period....

随着保温时间的延长，所有合金的晶粒尺寸均不同程度发生了粗化，Ti对晶粒的细化效果明显发生了衰退。电解加钛铝合金晶粒细化效果的抗衰退能力优于熔配加钛铝合金，这种趋势对Ti的质量分数为 0 。1%～ 0 。2 %的合金特别明显。

The results show that when an electromagnetic field with 1000 Hz frequency and 20 kW power is imposed, the surface roughness of hollow billets is decreased by 50%, the solidification structure is refined, the tensile strength is improved by 40%, and the elongation is improved by 50%, averagely; when the power is heightened to 30 kW, the solidification structure is coarsened and the mechanical properties are worsened.

研究结果表明：当施加频率为1kHz的电磁场时，空心管坯的表面粗糙度降低了约50％；当施加功率为20kW的电磁场时，空心铜管坯的组织得到细化，抗拉强度提高了约40％，延伸率提高了50%；当施加30kW的电磁场时，铜管坯组织粗化，力学性能下降。

The alloy is not splitting after the aged treatment at 1000℃ for 2000 h when the critical size ofγ' phase reaches about 1.5 μm while it is coarsened to form the rafts.

DZ951合金在1000℃长期时效2000 h后，γ'相尺寸达到1.5μm也不发生分解，而是粗化形筏，形筏的驱动力为弹性能和界面能的降低。

These five zones are as follows: the zone of the reaction synthesis of TiC, the zone of reaction completion, the zone of the growth and homogenization of TiC, the zone of ideal structure and the zone of coarsened TiC particulates.

结果表明：适当提高合金熔体的等温反应温度并选择理想的反应时间，可获得尺寸细小、数目较多且分布均匀的原位TiC颗粒；当合金熔体中TiC的合成反应基本完成时，凝固速度对组织中TiC颗粒的数量和尺寸的影响不是很大。

The coarsened long strip-like Cu6Sn5 with a length of more than 80μm growing from upper interface of IMC layer to solder matrix and its length of more than 80μm in the matrix are observed in the solder with 1.5wt-%Cu addition after thermal storage.

在含Cu量大於1.0 wt%时，会有金属间化合物Cu6Sn5在焊料内析出，大小随Cu量的增加而增大，当添加量达最高的1.5 wt% Cu时，焊料在长时间热储存后，从焊料/Cu界面的IMC层上表面向焊料成长的Cu6Sn5长度超过80μm，而焊料内最长的甚至超过100μm。

Experiment results show that though the grains of the heat-affected zone were seriously coarsened due to the effect of welding thermal cycle, there is no softened zone and the strength of the welded joint doesn't decrease because the transformed microstructure is different from the original microstructure of the rebar.

结果表明：经过焊接热循环的作用，虽然热影响区晶粒明显粗化，但由于所获得的二次组织形态与钢筋原始组织不同，热影响区不发生软化，也不存在焊接接头强度下降问题。

It was found that the impact toughness is obviously decreased when the laths of the acicular ferrite are coarsened,and the fracture morphology is changed from the dimple frac...

当针状铁素体条束比较粗大时，-50℃冲击试样的断裂方式从韧窝断裂转变为解理断裂，韧性明显下降。

The appearance, adhesion and corrosion resistance of the coating were tested .And the samples were detected and analysed by SEM, EDXA, X-ray diffraction and XPS. The coarsened quality of ZrO_2 ceramic will decide the cohesion between Ni-P coating and substrate.

同时，对镀层进行了外观、结合力和耐蚀性测试，并用SEM、EDXA、X射线衍射和XPS等测试方法对镀层结构和成分进行了分析，结果表明：镀层与基体结合力的好坏，关键是粗化处理的效果。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。