线收缩

研究了SiC颗粒增强铸造铝基复合材料F3B的线收缩特性。

The linear contraction characteristics SiC particulate reinforced cast aluminum matrix composite F 3B was studied .

本文介绍了一种新型的合金线收缩仪。

A new type of alloy linear contraction detector has been developed .

结果表明：纳米Al2O3粉加入可以提高氧化铝陶瓷烧结活性，降低烧结温度，线收缩率随烧结温度提高和纳米Al2O3粉含量增加呈上升趋势。

The results show that sintering characteristic of Al_2O_3ceramics may be improved and its sintering temperature decreased by using nano-Al_2O_3powder as an additive , linear shrinkage rate increases with the sintering temperature and content of nano-Al_2O_3powder rising up .

结果表明：环氧丙烯酸酯化反应的适宜温度为（90~110）℃，UV固化后树脂体系的线收缩率约为2.4%，且固化程度好，交联度高。

The results show that preference temperature of esterification reaction is from 90 ℃ to 110 ℃, linear shrinkage rate of resins system after UV-cured is about 2.4 % , and the resins system have good state of cure and high degree of cross linking .

结果表明，研制的无石棉硅酸钙板具有密度较低、强度较高、高温线收缩率小的特性，设计、制造的新型耐火风管的耐火极限大于2.5h。

The results show that , the said board has excellent physical characteristics , and the fire duct has a fire endurance time of not less than 2.5 h.

水工沥青混凝土低温线收缩系数试验研究

Test Research on the Linear Contractive Modulus of Hydraulic Asphalt Concrete

铸造合金线收缩、热裂检测系统

Linear Shrinkage & Hot Crack Detection System for Cast Alloy

激光快速成形中材料线收缩对翘曲性的影响

The Influence of Linear Shrinkage on Curl Distortion in SL

铸造合金动态线收缩实验装置的研制与应用

Development and Application of a Dynamic Linear Contraction Setup for Foundry Alloys

GB/T3005-1982普通硅酸铝耐火纤维毡加热线收缩试验方法

Test method for heating linear shrinkage of ordinary alumino-silicate refractory fiber felts

铸造合金动态线收缩测试装置的研究

Study on Dynamic Linear Contraction Setup for Foundry Alloys

成型压力与坯体烧成线收缩的关系

The Relations Between Forming Pressure and Sintering Linear Shrinkage

光固化树脂线收缩率测试方法的探讨

The method for testing the special line contraction rate of light curable resin

该合金铸造时表面反应层和铸造线收缩率能够满足口腔修复支架的精度要求。

The surface reaction layer and linear shrinkage met the accuracy requirements of dental demands .

而高于1500℃时，试样明显趋向烧结，体积密度升高，线收缩率加大。

Up to 1600 ℃, the bulk density increases and the radial linear shrinkage emerge apparently .

用自制的合金线收缩测定仪进行了测试，并对影响锌基合金材料收缩率的诸因素进行了简要分析。

The effect of various factors on the shrinkage of zinc matrix alloys was also analyzed simply .

为此，设计本套铸造合金线收缩、热裂检测系统。

Therefore , this set of cast alloy linear shrinkage , hot crack detection system was designed .

新型铸造合金线收缩应力热裂特性多功能测定仪的研制

Development of a New Multifunctional Device for Testing Linear Shrinkage and Stress and Heat Check of Cast Alloy

根据烧结温度和保温时间对线收缩率的影响，得出了它们的烧结动力学方程；

Their sintering kinetic equations were obtained according to the influence of sintering temperature and holding time on linear shrinkage rate .

对不同碳当量和硅碳比灰铸铁的体收缩和线收缩值进行了测定；

The volume and linear shrinkage value of grey cast iron with different CE and Si : C ratio were determined .

研究发现，随钙含量增加，室温电阻率减小，线收缩率增大，烧结性能改善；

It was found that electrical resistivity decreased , shrinkage ratio increased , sintered property improved with the Ca content increasing .

随固相含量的增加，坯体的线收缩率和干燥强度下降，而坯体的相对密度不断增加；

The linear shrinkage and dry strength of green bodies decreases and the relative density increases with the increasing of solid volume loading .

介绍一种新型铸造合金线收缩-应力-热裂特性综合测试系统。

A new type of multi-function system for testing linear shrinkage , stress and hot cracking of casting alloy is introduced in the paper .

试验结果表明，在镍基合金中加入适量的稀土，可提高合金的流动性，降低其热裂倾向，对合金的线收缩率影响不大。

Experimental results show that flowability and hot crack forming tendency of the alloy were improved , but linear contraction is not clearly affected .

通过测定其相对密度、线收缩率、拉伸强度和硬度，研究烧结温度对合金性能的影响。

The influence of sintering temperature on mechanical properties of alloys were investigated by measuring the density , linear shrinkage , tensile strength and hardness .

针对激光固化树脂的特殊性能，介绍了一种测试其线收缩率的方法。

According to the resin 's special light properties , a method for testing the special line contraction rate of light curable resin was introduced .

本文研制一种新型铸造合金线收缩-应力-热裂特性多功能测定仪，它可以方便准确的测定金属热裂、应力、线收缩特性。

A new multifunctional device for testing linear shrinkage , stress and heat check of casting alloy easily and quickly is developed in the paper .

随着成型压力的增大，试样的线收缩率和显气孔率减小，体积密度增大；

The bulk density of the specimen increased with the increasing of molding pressure , however , the apparent porosity and linear shrinkage rate decreased .

烧结体的线收缩率与其体积密度、吸水率、显气孔率及抗弯强度的变化是同步的；

Linear shrinkage rate of sintering billet and its volume density , absorbing rate , Porosity rate , bend strength are changed at the same step .

本文结合实际工程，对沥青混凝土进行低温段线收缩系数的试验研究。

The experimental research on the linear contractive quotiety of asphalt concrete which is used in an asphalt concrete slab project is presented in this paper .