1) grain size trend
晶粒尺寸变化趋势
1.
There are two types of grain size trend along with the growth direction of the grain line.
其晶粒尺寸变化趋势有两种,一种是逐渐增大或者减小,另一种是晶粒尺寸在某一区域值内基本保持不变。
2) grain size
晶粒尺寸
1.
Influence of wire rolling process parameters on austenite grain size of high carbon steel;
高碳钢线材轧制工艺参数对晶粒尺寸的影响
2.
Prediction of the flow behavior and grain size during forming for nickel alloy heavy forging;
镍基合金大锻件成形过程流变行为与晶粒尺寸预测
3.
Modelling for grain size and flow stress of magnesium alloy based on BP neural network;
基于BP神经网络的镁合金晶粒尺寸及流变应力模型
3) crystallite size
晶粒尺寸
1.
Determination of crystallite size and strain by X-ray powder
晶粒尺寸和应变的X射线粉末衍射法测定
2.
The effects of the amount of Gd~ 3+ -doping and calcination temperature on the photocatalytic activity for photocatalytic degradation of methylene blue (MB) in aqueous solution, phase structure, crystallite size, surface texture properties of the nanopowders were investigated,and t.
研究了Gd3+掺杂量和焙烧温度对样品光催化降解亚甲基蓝的活性、相结构、晶粒尺寸和表面织构特性的影响,并结合表面光电特性和表面组成等探讨了Gd3+掺杂对纳米TiO2的光催化活性的影响机制。
3.
The effects of pHinitial value, hydrothermal temperature and hydrothermal time on the morphology, crystal phase and crystallite size of TiO2 powder were investigated.
研究了反应初始pH值、水热反应温度和水热反应时间对TiO2形貌、物相和晶粒尺寸的影响。
4) crystalline size
晶粒尺寸
1.
When Si and C contents were higher, Ti (C, N) changed to TiC and the crystalline size decreased to 2—4nm.
用脉冲直流等离子体辅助化学气相沉积(PCVD)方法在高速钢基体上沉积出新型Ti-Si-C-N超硬薄膜,Ti-Si-C-N薄膜为纳米晶／非晶复合结构(nc-Ti(C,N)／a-Si_3N_4／a-C—C),当薄膜中Si和C含量较高时,Ti(C,N)转变为TiC,晶粒尺寸减小到2—4 nm,薄膜晶粒尺寸和硬度的高温热稳定性均随沉积态薄膜中的原始晶粒尺寸减小而提高,当原始晶粒尺寸在8—10 nm之间时,晶粒尺寸和硬度热稳定性可达900℃；当原始晶粒尺寸在2—4 nm之间时,晶粒尺寸和硬度热稳定性可达1000℃,薄膜硬度和晶粒尺寸表现出同步的高温热稳定性,分析认为由调幅分解形成的纳米复合结构中的非晶相强烈地抑制晶界滑移与晶粒长大,从而使Ti-Si-C-N薄膜的热稳定性显著提高。
2.
The effects of pH value,hydrothermal temperature and time on the morphology and crystalline size of nanoscale rutile TiO_2 were discussed.
研究了pH值、水热反应温度和水热反应时间对金红石型纳米二氧化钛形貌和晶粒尺寸的影响。
3.
Influence of chromium additions on the crystalline size and magnetic properties of nanocom-posite Nd2Fe14B/.
5,1,2)的纳米晶复合永磁合金,研究了Cr的添加对合金晶粒尺寸及磁性能的影响,结果表明适量Cr的添加能有效抑制磁性相晶粒长大,提高了合金的矫顽力。
5) crystal size
晶粒尺寸
1.
The crystal size of α-Fe is calculated from XRD pattern using Scherrer formula.
铁基非晶材料通过热处理发生了纳米晶化过程,用X射线衍射仪和透视电镜检测了该过程材料的结构和组织,特别是晶粒尺寸的变化,利用Scherrer公式计算了晶化过程中产生的α-Fe颗粒的尺寸大小。
2.
XRD results indicate that the NiO nanowire has a face-cubic structure and its average crystal size i.
测试结果表明:NiO纳米线为面心立方结构,平均晶粒尺寸为50nm,纳米线直径约90nm,与模板孔径相当;长度约为25μm,并受镍纳米线沉积时间的影响;在紫外灯(365nm)照射下,40V比60VNiO/AAO阵列体系的光电压大。
3.
0Pa,catalysis electrode films of NiFe,CoMo of HER prepared at different sputtering pressure,their crystal size and HER overpotential decreased with increasing of chamber pressure,and their overpotential and Tafel slope were changed sharply at 2.
0Pa的范围内,不同溅射腔气压条件下制备的电极材料的晶粒尺寸、析氢反应的过电位与气压的关系,结果显示过电位随气压升高而降低,而且在2。
6) crystalline grain size
晶粒尺寸
1.
The crystalline grain size graph is designed at different parameters,which can be used as the foundation to optimize welding process.
采用数值模拟方法得到超级钢焊接温度场,在热影响区温度场基础上,结合晶粒长大动力学原理计算热影响区晶粒尺寸,并实验加以验证,绘制不同参数下超级钢热影响区晶粒尺寸图,以作为优化其焊接工艺的依据。
2.
Meanwhile, the crystalline grain size in HAZ of the ultra fine grain steel and the mild steel are predicted.
利用数值模拟方法对超级钢和低碳钢的焊接温度场进行了模拟,在此基础上,对其热影响区晶粒尺寸进行了预测,并将结果进行了对比分析。
补充资料：晶粒
grain：多晶体金属材料内的每个晶体，由于它们在形核后的长大过程中都受到相邻的、也在长大着的晶体的妨碍，以致都不能在三维空间自由地长大，所以最后长到相互接触时都没有规则的外形，故称晶粒。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条