美国Ultramet公司按照与陆军材料工艺实验室的三年合同发展了一种有韧性的钨基复合材料(Tough tungsten composites)。其工艺综合了化学气相沉积和沸腾床过程,从而改善了显微组织。在制造过程中,将一种含有涂层合金的气流从盛满金属粉末的容器的多孔底板吹进金属粉末中,使每个粒子的表面发生化学反应, Ultramet Inc. of the United States has developed a tough Tough tungsten composites based on a three-year contract with the Army Materials Technology Laboratory. The process combines chemical vapor deposition and ebullated bed processes to improve the microstructure. During manufacture, a gas stream containing the coating alloy is blown into the metal powder from the porous substrate of the container filled with metal powder to chemically react the surface of each of the particles,