The mathematics model of immediate thermal deformation with mean coefficient of linear thermal expansion and thermal expansivity is built.
理论上建立了平均线膨胀系数同瞬间线膨胀系数计算热变形的误差数学模型 ,并通过实验论述了精密工程应用中使用平均线膨胀系数计算的工件热变形误差较大 ,提出广泛使用瞬间热膨胀系数替代平均线膨胀系数是提高机器设备精度的发展趋势。
The linear expansion rate was determined by the 10 mm×50 mm samples formed by fused corundum,magnesia,silica micropowder and aluminate cement at 750～1 450 ℃.
在750~1450℃的温度下测量了试样的线膨胀率,研究了电熔刚玉粒度、氧化镁、水泥及硅微粉加入量对刚玉-尖晶石质浇注料烧成过程中线膨胀率的影响。
Firstly,the resistance to sulfate attack of slag cement was tested by long term immersion method,and line expansion rate and flexural strength ratio were taken as evaluation index.
对通过化学激发自制的大掺量矿渣水泥的抗硫酸盐侵蚀性能进行评定:首先采用长期浸泡方法进行测定,评判指标为线膨胀率和抗折强度比,结果表明该矿渣水泥具有优异的抵抗高浓度硫酸盐侵蚀的性能;其次采用GB/T 749—2001规定的快速试验方法进行测定,测定结果与长期浸泡方法有异。
1-2000,the line expansion rate and average expansion coefficient of the silica bricks samples were tested and calculated,the uncertainty factors which influenced the line expansion rate and average expansion coefficient were analyzed.
1—2000的方法测试并计算了一批硅砖试样的线膨胀率和平均线膨胀系数,对影响其线膨胀率和平均线膨胀系数的不确定度分量进行了分析,并对不确定度的各个分量进行了计算和合成,给出了该硅砖的不确定度:ρ=1。
testing method for average linear thermal expansion of glass
玻璃平均线膨胀系数测试方法
Uncertainty Evaluation of Line Expansion Rate and Average Expansion Coefficient of Silica Brick
硅砖线膨胀率和平均线膨胀系数测定的不确定度评定
Glass fiber reinforced plastics--Average linear expansion factor of fiber--Method of testing
GB/T2572-1981玻璃钢平均线膨胀系数试验方法
Test methods for properties of structure ceramic used in electronic components--Test method for mean coefficient of linear expansion
GB/T5594.3-1985电子元器件结构陶瓷材料性能测试方法平均线膨胀系数测试方法
Glass--Determination of coefficient of mean linear thermal expansion
GB/T16920-1997玻璃平均线热膨胀系数的测定
coefficient of linear thermal expansion
线性热(膨)胀系数
testing method for coefficient of linear thermal expansion of plastics
塑料线膨胀系数测定法
Development of Physical Experiment Platform for Digital Linear Swelling Coefficient;
数字化线膨胀系数物理实验平台的研制
Determination for coefficient of linear expansion of plastics
GB/T1036-1989塑料线膨胀系数测定方法
testing method for thermal linear expansion of fire bricks
耐火砖线膨胀系数试验方法
testing method for linear thermal expansion coefficient of plastics by thermomechanical analysis
热力学分析塑料线膨胀系数试验方法
measuring method of the linear thermal expansion coefficient for low expansion glass by laser interferometry
玻璃线膨胀系数测定方法-激光干涉法
Study of elastic modulus and line expansion coefficient of FeCuNbSiB amorphous alloy ribbons;
FeCuNbSiB非晶薄带的模量和线膨胀系数研究
Measure of Line-expand Coefficient of AZ91D Magnesium Alloys
AZ91D镁合金线膨胀系数的测定
4 Coefficient of Linear Expansion:- At a temperature of 20oC, the coefficient of linear expansion of standard annealed Copper is 0.000017 per degree Centigrade.
线膨胀系数：在温度20℃的情况下，标准退火铜的线膨胀系数应是0.000017每摄氏温度。
testing method for linear thermal expansion of porcelain enamel and glaze frits and fired ceramic whiteware products
搪瓷、瓷釉及陶瓷的线膨胀系数试验方法
Test method for linear thermal expansion of high performance ceramics
GB/T16535-1996工程陶瓷线热膨胀系数试验方法
testing method for residual linear expansion and contraction of fire brick
耐火砖残留线膨胀和收缩系数试验方法