1、

In the current model of cutting force, Oxley model is the one which considers the material properties comprehensive mostly. However, the material strain rate effects and thermal softening effects are still considered less than.

目前所得到的切削力模型中,Oxley模型相对来说是考虑材料性能最全面的,但是对于材料的应变速率效应及热软化效应考虑不足。

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2、

Numerical analysis indicates that strain hardening and strain rate hardening are to resist the growth of voids, whereas the ambient temperature is to promote the growth of voids in OFHC. It is also shown that the thermal softening has negligible influence on the growth of voids.

模型的数值分析表明,对OFHC铜来说,应变硬化效应、应变率效应阻碍了孔洞的增长,热效应对孔洞增长影响不大,而环境温度的升高促进了孔洞的增长。

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3、

For the eight species, variation in the degree of thermal softening was observed.

8种品种的热软化程度差异也被观测到。

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4、

Thermal softening of rattan canes: influence of the hemi cellulose-lignin matrix

棕榈藤的热软化:半纤维木素基质的影响

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5、

It shows obvious regularity that saw-toothed chips form as alternating effect of thermal softening and strain hardening, or periodic alternating cracks formation.

由于热软化、应变硬化的交替作用或周期性裂纹的产生,使得锯齿形切屑形成呈现很明显的规律性。

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6、

It is found that the fluctuation is induced by the gradual aggravation of thermal expansion and thermal softening, and is closely related to the evolution of plastic zone in the metal material.

根据激光静态加热过程中应力出现的波动现象,发现是热膨胀、热软化逐渐加剧导致的,且与金属板内部塑性区域的发展演化密切相关。

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7、

The reason for the sawtooth chips is that the adiabatic shear localization occurs in the primary deformation zones when thermal softening exceeds strain and strain rate hardening.

锯齿形切屑产生的原因是第一变形区内因热软化超过应变和应变率强化而发生了绝热剪切局部化。

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9、

Thermal and mechanical response of the internally pressured cylindrical shell under laser irradiation is analyzed by FEM/ Explicit, and the dynamic failure phenomenon, including thermal softening, ablation and bursting, are simulated.

采用动力有限元显式积分程序,对承受内压、在侧面受到激光辐照的圆柱壳的热力学响应进行了数值模拟,展现了圆柱壳热软化、鼓包和爆裂的动态失效过程。

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10、

It is found that particle and substrate preheating can promote the occurrence of thermal softening effect, and then enhance the plastic deformation and final bonding strength between particles and substrate.

研究结果表明,预热处理可以促进粒子或基体发生热软化效应,进而促进强塑性变形的发生,同时提高接触面附近的局部温度,促进粒子与基体的结合。

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11、

Metal thermal softening and thermal conductivity offset each other at a certain extent, thus adiabatic shear occurs at low cutting speeds; At high cutting speed, metal thermal softening dominates.

在中低切削速度下,金属热软化作用和热导率变化作用在一定程度上相互抵消,绝热剪切作用占主导地位;高切削速度时,金属热软化作用占主导地位。

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13、

Aromatic extract oil can be utilized in many chemical fields, e.g. it can be used as active additives in vacuum distillation unit and solvent deasphalting unit, rubber extender oil and process softening agent in rubber industry, thermal conducting oil and printing ink solvent.

炼油厂重质芳烃油有多种化工用途,可作为蒸馏工艺强化剂、优化溶剂脱沥青工艺添加剂、橡胶工业的橡胶填充油和工艺软化油、工业导热油、黑色油墨溶剂油等。

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14、

The relations between glass composition and refractive index, dispersion, density, transformation temperature, softening temperature, thermal expansion coefficient, thermal optical coefficient are studied.

研究了上述系统玻璃折射率、色散、密度、轻变温度、转化温度、热膨胀系数、热光常数和成份之间关系。

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15、

Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ. All the cross weld tensile specimens ruptured in the base metal.

无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题,接头拉伸试验断在远离热影响区的母材上。

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16、

Thermal Deformation and Vicat Softening Temperature Tester Based on Neural Network PID Temperature Control

基于神经网络PID温度控制的热变形与维卡软化温度测定仪

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17、

Experiments on cube strengths bend strength thermal conductivity, coefficient of softening mechanical and physical performance index etc are carried out. The mix proportion of polystyrene concrete we find out can meet the needs of building system.

根据得到的配合比,对EPS轻集料混凝土进行了抗压强度、抗折强度、导热系数、软化系数等力学物理性能试验,试验结果表明,该混凝土的各项指标能达到建筑体系的要求。

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18、

Effects of the softening temperature, the crystallization temperature and the coefficient of thermal expansion of glass on the properties of TFR have also been discussed.

此外,本文还研究了玻璃相的软化温度、析晶温度及热膨胀系数对厚膜电阻性能的影响。

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19、

Not only these, PMMA/ nano-SiO2 composite materials have also enhanced thermal stability, glass transition temperature increased from 104.85 ℃ to 119.3 ℃, vicat softening temperature increased by 13 ℃.

不仅如此,PMMA/nano-SiO2复合材料的热稳定性也得到增强,玻璃化转变温度由原来的104.85℃升高为119.3℃,维卡软化点也提高了13℃。

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20、

The change rules of coal tar pitch's TI, QI,β-resin, softening point and coking value during the thermal polymerization modification were investigated in an autoclave.

在热聚合反应釜中,研究了煤沥青中甲苯不溶物、喹啉不溶物、β树脂、软化点及结焦值等质量指标在热聚合改质过程中的变化规律。

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