The Numerical Simulation of Low Transformation Temperature Electrodes Welding Residual Stress; Study on reducing welding stress and distortion of thin plate welding with trailing peening 低相变点焊条的焊接残余应力数值模拟随焊锤击降低薄板拼焊应力变形的研究
Stress Relieving: Like tempering, stress relieving is always done by heating to some temperature below the lower transformation temperature for steels and irons. 去应力退火:与回火相似,去应力退火总是把钢和铁加热到相变温度下限以下的某一温度。
Colourless optical glass test methods& Linear thermal expansion coefficient and transformation temperature GB/T7962.16-1987无色光学玻璃测试方法线膨胀系数和转变温度测试方法
Influence of Alloy Element Enrichment on Phase Transformation Temperature Measured by Metallographic Technique 合金元素富集对金相法测定相变温度的影响
This article also discussed the mechanism of the observed variation of the phase transformation temperature, affected by all above parameters. 文章还探讨了各参量影响相变温度的机理。
Abstract: The hot rolling process has great influence on product performance and rolling stability, especially to finishing rolling temperature and phase transformation temperature. 摘要:热轧轧制工艺对产品性能和轧制稳定性影响很大,特别是对终轧温度和相变温度的影响尤为重要。
This is followed by cooling in still air to at least some temperature well below its transformation temperature range. 接下来在不流动的空气中冷却到至少比相变温度低得多的某一温度。
This is achieved by heating above the alloy's transformation temperature, then applying a cooling cycle which provides maximum softness. 这种处理是把合金加热到其相变温度以上,再进行循环冷却以使硬度下降最大。
A Comparative Study of Differential Thermal Analysis Method and Metallographic Observation Method for the α+ β/ β Transformation Temperature of Titanium Alloys 钛合金α+β/β转变温度测定的金相法与差热分析法对比研究
The effect of Nb on structure at elevated temperature and phase transformation temperature of chilled cast iron was studied in this paper. 采用高温金相显微镜研究了含铌冷硬铸铁高温的金相组织,差热分析仪测定了铌对冷硬铸铁固态相变温度的影响。
Pearlite transformation temperature after control-rolling was measured by a pre-ssure-dilatometer for high-carbon steels under conditions of continuous cooling. 采用压力-膨胀仪测定了高碳钢经控制轧制后,在连续冷却下珠光体的相变温度;
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。
The thermal analysis was used to determine the crystallization temperature, the glass transformation temperature and low temperature relaxation temperature of the amorphous samples. 通过对非晶态样品的热分析,确定了它的晶化温度、玻璃转变温度和低温弛豫温度。
The mechanism of alumina phase transformation, and the means to control the α phase transformation temperature and concerned mechanism were reviewed. 综述了氧化铝相变的机制、α相变温度控制的方法及其相关的机理。
The sol-gel procession of titanium alkoxide was studied through DTA-TG, XRD analysis methods. The study covers the influence of water volume, nitric acid and silver nitrate addition on the gelation time, thermal effects, weight change of sample and anatase-rutile phase transformation temperature. 本文以DTA-TG和XRD等分析方法研究钛醇盐溶胶中水含量、硝酸含量和硝酸银掺杂对胶凝时间、热效应、失重和锐钛矿-金红石相变温度的影响。
The results demonstrated that as the nitrogen content increased, the equilibrium and non-equilibrium phase transformation temperature decreased, the phase transformation undercooling increased, and the temperature ranges of eutectic and eutectoid transformation increased. 实验结果表明,氮使Fe-C-Si和Fe-C-Si-Mn灰铸铁平衡和非平衡相变温度降低,使相变过冷度增大,并使共晶转变和共析转变的温度区间增大。
Influence of Deformation on Microstructure and Transformation Temperature of Shape Memory Alloy Fe-Mn-Si-Cr-Ni 大变形量对Fe-Mn-Si-Cr-Ni形状记忆合金微观组织和转变温度的影响
The doping of Co, Ag, W can lower the transformation temperature of anatase to rutile. Co、Ag、W的掺杂会降低锐钛矿相向金红石相的转变温度。
The phase transformation temperature range obviously raises as the Ca content increases. 随钙含量的增加,相变的开始和终了温度均显著升高,相变属吸热反应。
The transformation temperature of every sample is attained by DTA approach. 利用示差热分析方法(DTA)分析了各试样相变温度;
The reason of the difference of phase transformation temperature between different titanium alloys was discussed. 并分析了不同钛合金之间相变点差异的原因。
DTA was used to determine the eutectic transformation temperature of the alloy with varying antimony content. 采用差热分析仪测定不同锑含量的Fe-C-Si-Mn合金的共晶转变温度。
Effects of heat treatment and heat cycle on transformation temperature and structure of Ni-49.12% Ti sputter-depositing film 热处理和热循环对Ni-49.12%Ti溅射膜相变点和组织结构的影响
Other optically active phthalocyanines have also been synthesized and their transformation temperature was studied. 同时也合成了新的光学活性酞菁,研究了其相变性质。
As isothermal transformation temperature decreasing, the tensile strength increases and the elongation depresses. 随等温温度的降低抗拉强度升高,而塑性降低。
According to the calculated phase transformation temperature and the result of finite element simulation, a prediction model of white layer thickness in high speed machining is proposed. The influences of cutting parameters on the thickness of white layer are also analyzed. 根据计算出的高速切削中的奥氏体相变温度和有限元模拟结果,建立了基于形成机理的白层厚度的预测模型,并对切削参数对白层厚度的影响规律进行了系统地研究。
On the other hand, the Ti-Ni-Cu alloys show narrow transformation temperature hysteresis and relatively high martensitic transformation temperature. 另一方面,Ti-Ni-Cu三元形状记忆合金则拥有较高的相变温度和较窄的相变温度迟滞,可以作为很好的驱动材料。