热机械分析仪

由此可以说明，动态热机械分析仪（DMA）能够确定沥青的低温性能和温度敏感性，为沥青的正确选用提供依据。

So DMA can judge the performance at low temperature and temperature susceptibility of asphalt , which provides a criterion for selection of asphalt .

动态热机械分析仪的TMA模式表明山羊绒单纱在219℃发生收缩，在230℃发生突变伸长。

The TMA mode of Dynamic Thermal Mechanical Analyzer shows that cashmere yarn contracts at 219 ℃ and abruptly extends at 230 ℃ .

介绍了用动态热机械分析仪测定天然橡胶（NR）硫化胶耐老化性能的原理及方法。

The principle and the dynamic mechanical thermal analyses and application of NR vulcanizate are reviewed .

用动态热机械分析仪（DMA）测试了多个频率下老化样品的损耗因子tanδ、损耗模量半高峰宽Dh/2。

Dynamic mechanical parameters , including loss factor tan δ and half-height width of loss modulus Dh / 2 at various frequencies , were measured by DMA .

采用动态热机械分析仪（DMA）研究了ATPU/环氧树脂胶粘剂固化物的动态热机械特性，发现ATPU-2具有更好的增韧改性作用，固化后可以获得更高的玻璃化转变温度和较高的动态弹性模量。

The DMA study showed that the cured adhesive of ATPU-2 / E-44 system has higher glass transition temperature and dynamic modulus .

文采用热机械分析仪（TMA）分别研究了低温保护剂（CPA）和冻结速率对兔主动脉冻结相变过程中膨胀的影响。

Utilizing the Thermal Mechanical Analyser ( TMA ), the effects of concentrations of cryoprotective agents ( CPA ) and cooling rates on thermal expansion of rabbit artery during freezing were investigated .

阐述了用动态热机械分析仪（DMTA（Ⅳ））测试高聚物动态粘弹性的原理。

The principles of the determination of high polymers dynamic viscoelasticity by DMTA (ⅳ)( Dynamic Mechanical Thermal Analyses , ⅳ) were expounded .

用动态热机械分析仪表征了65℃下老化不同天数的GS-1改性双基固体推进剂的老化性能。

The mechanical properties of GS-1 modified double-base propellant aged for various days at 65 ℃ were characterized by using the dynamic mechanical analyzer .

利用静态热机械分析仪（TMA）测定了热塑性聚酰亚胺（TPI）注塑件的热膨胀系数α，考察了TPI的各向异性、尺寸稳定性以及添加不同填料对α的影响。

The coefficient of thermal expansion ( CTE ) of thermoplastic polyimide ( TPI ) was measured by means of thermal mechanical analyzer ( TMA ) . The anisotropy , dimensional stability and the effects of different fillers on the CTE of TPI were also considered in the paper .

应用倒扭摆内耗仪、热机械分析仪和光学显微镜研究了碳和镍对铁-锰基减振合金γ→ε转变行为和阻尼性能影响。

Effects of carbon and nickel on damping capacity and γ→ε martensite transformation behavior in Fe-Mn alloys were investigated with a reversal torsion machine , optical microscopy and TMA measurement .

采用玻璃微珠改性热塑性聚酰亚胺（PIT），考察了玻璃微珠粒径和用量对PIT力学性能的影响，并用热机械分析仪（TMA）测定了改性PIT的线胀系数。

The effects of glass bead content and its size on the mechanical property of thermoplastic polyimide ( PI-T ) modified by glass bead were considered . The coefficient of thermal expansion was measured by thermal mechanical analyzer ( TMA ) .