Examples of using Functionally graded in English and their translations into Danish
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Tungsten Copper Functionally Graded.
So it is a kind of new method for manufacturing inorganic compound high temperature materials and FGM Functionally Graded Materials.
The functionally graded 320-W/mK material was about 47.54% better, with the top-end material providing a 56.88% improvement over the standard.
Typically, a 50/50 WCu formulation has been used for the functionally graded material core, and a 15/85 WCu formulation has been used for the surrounding body.
Functionally graded material configurations can be center mounted(b), edge-mounted and constrained from three sides(c), or the function core can be constrained using an open-pocket configurationd.
The heat-resistant ceramics and metals can not meet a single homogeneous materials such harsh working conditions, must develop a new material to meet the requirements of aerospace technology development, tungsten,copper functionally graded material is presented in this context.
Development of tungsten-copper functionally graded material is due along with the development of high-tech aerospace and other fields, the material requirements more stringent.
With the high rate of heat generation power microwave semiconductor device continued miniaturization of highly integrated, high-power development caused by the existing homogeneous tungsten-copper composite material is difficult to meet the electronic substrate in a good heat dissipation,low coefficient of thermal expansion close two requirements while functionally graded material is considered an effective way to solve this problem.
Tungsten copper functionally graded is metal-matrix-composite mount is made of a minimum of two metal compositions and has at least two discrete portions in the x-y plane.
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Functionally graded material configurations can be center mounted(b), edge-mounted and constrained from three sides(c), or the function core can be constrained using an open-pocket configurationd.
Currently, the process for producing tungsten-copper functionally graded materials mainly infiltration method, powder metallurgy, plasma spraying method, a vapor deposition method and SHS combustion synthesis and so on.
Functionally graded materials for laser-diode mounts have been manufactured using standard WCu grade formulations for the surrounding body of the mount and higher-copper-content formulations for the functional core.
Technical developments using functionally graded materials(FGMs) push the performance envelope of copper/tungsten to thermal conductivity levels around 320 W/mK.
Design of functionally graded materials different from the traditional method of design material, which is mainly based on the structure of the environment needed to design composition distribution.
At the beginning of 1990s, FGM(functionally graded material) has developed rapidly and additional temperature laser scanning sintering process has been introduced in FGM process.
Tungsten copper functionally graded material design objective is to get the best materials and compositional distribution, optimize their size and distribution of thermal stress in the course of preparation and service produced.
Tungsten copper FGM(Functionally Graded Material) has many processes, mainly include PM(Powder Metallurgy), plasma spraying, vapor deposition and SHS Self-propagation High-temperature Synthesis.
Functionally graded materials for laser-diode mounts have been manufactured using standard WCu grade formulations for the surrounding body of the mount and higher-copper-content formulations for the functional core.
In order to prepare tungsten copper functionally graded material with the best performance, while reducing the blindness prepared prior to the preparation of graded material, it is necessary first of FGM reasonable thermal stress relaxation design.
Introduction Tungsten copper functionally graded material means one side is pure tungsten or high tungsten content material, another side is pure copper or high copper content alloy, the middle gradient change transition, tungsten, copper gradient material thus produced has a very specific function and a good prospect.
Functionally graded materials for laser-diode mounts have been manufactured using standard WCu grade formulations for the surrounding body of the mount and higher-copper-content formulations for the functional core. Typically, a 50/50 WCu formulation has been used for the functionally graded material core, and a 15/85 WCu formulation has been used for the surrounding body.