美国“9·11”恐怖事件的发生，使其商业航空市场受到严重影响。最大的钛生产公司Timet于10月底宣布降低其钛产品生产速度，主要对其内华达州亨德森市和宾州摩根城的熔炼车间减产。内华达州真空电弧熔炼的生产量将降低40%。宾夕法尼亚州的三台电子束冷炉床熔炼设备中的一台已停 The occurrence of the “9.11” terrorist incident in the United States has severely affected its commercial aviation market. Timet, the largest titanium producer, announced at the end of October that it would reduce its production rate of titanium products, mainly to reduce its melting shop in Henderson, Nevada, and Morgan City, Pennsylvania. Nevada vacuum arc melting production will be reduced by 40%. One of the three electron beam cold hearth smelting facilities in Pennsylvania has stopped