研究了装炉温度对快速成形用光固化树脂热膨胀特性的影响和型壳制备工艺。
The influence of temperature on thermal expansion of photo-curing resin used for rapid prototype(RP)and the preparation process of the rapid-precision casting ceramic shell were studied.
提供一种在较宽温度区间具有负热膨胀特性的镍钛铌负热膨胀合金及其制备方法。
The invention provides a negative thermal expansion alloy of Nickel-Titanium-Niobium which has negative thermal expansion characteristics in a wider temperature range and a preparation method.
以XRD、SEM和TEM对产物结构及形貌进行表征，以原位X射线衍射分析粉体的负热膨胀特性。
The structure and morphology of the resulting powders were characterized by XRD, SEM and TEM, respectively. In situ X-ray diffraction measurements was used to analysis NTE property.
采用高温显微镜、同步热分析、热膨胀实验等方法，系统的研究了亚微细硬质合金的烧结特性。
In this thesis, some test methods, such as Heating Microscope, DTA-TG, Thermal Dialation Testing, were used to research the sintering properties of cemented carbide in submicron grain, systematically.
采用高温显微镜、同步热分析、热膨胀实验等方法，系统的研究了亚微细硬质合金的烧结特性。
In this thesis, some test methods, such as Heating Microscope, DTA-TG, Thermal Dialation Testing, were used to research the sintering properties of cemented carbide in submicron grain, systematically.
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