采用热膨胀的方法，测定不同工艺下的膨胀曲线来分析工艺参数对逆转奥氏体生成规律的影响。
The influences of process parameters on the forming rules of reversed austenite were analyzed through measuring the expansion curves by thermal expansion method.
模拟钢轨焊接及焊后热处理工况，采用热膨胀方法分别测定uic 900a及u75 V钢轨钢的连续冷转变曲线(CCT曲线)。
By simulating welding and simulating heat treatment after welding, CCT Curves of UIC900A and U75V rail steels are determined by the expansion method.
采用材料力学的梁理论，应用力法分析方法，计算出热膨胀导致的推力和弯矩。
Trust force and bending moment result in heat expansion are calculated by adopting beam theory of mechanics of materials and applying force component analysis method.
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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