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    • 44. 发明授权
    • Heat-resistant spring made of fiber-reinforced metallic composite
material
    • 耐热弹簧由纤维增强金属复合材料制成
    • US4544610A
    • 1985-10-01
    • US361756
    • 1982-03-25
    • Hideho OkamotoKen-ichi Nishio
    • Hideho OkamotoKen-ichi Nishio
    • C22C47/00C22C49/00C22C49/04C22C49/06C22C49/08C22C49/11F16F1/02F16F1/18F16F1/04
    • F16F1/18C22C49/00F16F1/022Y10T428/12465Y10T428/12486
    • A spring useful as various machine parts or elements for various machines and apparatuses, which is made of a fiber-reinforced metallic composite material comprising a matrix metal (e.g. a metal having a melting point of not higher than 1,700.degree. C.) and a reinforcement of an inorganic fiber having high modulus of elasticity and high strength selected from a ceramic fiber and a metallic fiber, particularly an alumina or alumina-silica fiber containing alumina of 100 to 72% by weight, preferably 98 to 75% by weight, and silica of 0 to 28% by weight, preferably 2 to 25% by weight, and having substantially no .alpha.-alumina reflection by X-ray diffraction. The spring of the present invention is light in weight and has far greater heat resistance and mechanical properties in comparison with the conventional metallic or non-metallic springs, and hence is particularly valuable from the standpoint of saving energy and saving resources.
    • 用作各种机器和装置的各种机器部件或元件的弹簧,其由包含基质金属(例如熔点不高于1700℃的金属)的纤维增强金属复合材料制成, 的具有高的弹性模量和高强度的无机纤维,其选自陶瓷纤维和金属纤维,特别是含有100至72重量%,优选98至75重量%的氧化铝的氧化铝或氧化铝 - 二氧化硅纤维,以及二氧化硅 为0〜28重量%,优选为2〜25重量%,并且通过X射线衍射基本上没有α-氧化铝反射。 本发明的弹簧与传统的金属或非金属弹簧相比,重量轻且具有远大的耐热性和机械性能,因此从节约能源和节省资源的观点来看特别有价值。
    • 46. 发明授权
    • Abradable seal material and composition thereof
    • 可磨损密封材料及其组成
    • US4094673A
    • 1978-06-13
    • US737505
    • 1976-11-02
    • Arnold Roderick EricksonCarlino Panzera
    • Arnold Roderick EricksonCarlino Panzera
    • B22F3/00C22C32/00C22C47/06C22C49/08F01D11/12F16J15/44B22F5/00
    • B22F3/002C22C32/0026C22C47/06C22C49/08F01D11/122F16J15/445Y10T428/12153
    • An abradable seal material suitable for high temperature application in turbomachinery comprising a sintered mat of (1) randomly disposed fine metal fibers, or (2) fine metal powders or (3) both fibers and powders. The metal fiber and powder are composed of an alloy consisting essentially of I, Al, Cr, II, or I, Al, Cr, III, wherein I is at least one member of the group Fe, Co, Ni, and Co plus Ni, II is a member of the group consisting of Y, Sc and Rare Earths, and III is at least one member of the group consisting of Si, Hf, Zr, Cb, and Ta. The exposed surfaces of the fibers and powder forming the seal are protected against oxidation at high temperatures by a coating of Al.sub.2 O.sub.3 which is formed on the substrate. Said substrate has an Al content of at least 4% to replace spalled Al.sub.2 O.sub.3 and for "healing" any Al.sub.2 O.sub.3 scale fractures.
    • 一种适用于涡轮机械的高温应用的耐磨密封材料,包括(1)随机布置的细金属纤维的烧结垫,或(2)细金属粉末或(3)纤维和粉末。 金属纤维和粉末由基本上由I,Al,Cr,II或I,Al,Cr,III组成的合金组成,其中I为Fe,Co,Ni和Co + Ni中的至少一种 ,II是由Y,Sc和稀土组成的组的成员,III是由Si,Hf,Zr,Cb和Ta组成的组中的至少一个成员。 形成密封件的纤维和粉末的暴露表面通过在基底上形成的Al 2 O 3涂层在高温下被保护免受氧化。 所述基底的Al含量至少为4%以代替剥落的Al 2 O 3,并且用于“愈合”任何Al 2 O 3量级的裂缝。