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    • 2. 发明授权
    • Heat resisting metal fiber sintered body
    • 耐热金属纤维烧结体
    • US6063332A
    • 2000-05-16
    • US719575
    • 1996-09-25
    • Masato ImamuraKiichi NakajimaAkira YanagisawaMasao Kaneko
    • Masato ImamuraKiichi NakajimaAkira YanagisawaMasao Kaneko
    • B22F5/00B21F45/00B22F3/00B22F3/11B22F9/04B23P17/06C22C33/02C22C38/00C22C38/18F28F3/02F28F13/00B22F1/00B23P17/00
    • B23P17/06B21F45/00B22F3/002B22F9/04F28F13/003F28F3/025B22F2009/046Y10S83/913Y10T29/14Y10T29/142Y10T29/49801Y10T82/10
    • The method of making the metal fiber sintered body includes making a coiled material by coiling a thin sheet of Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel; making a tow of Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce continuous fibers by lathe turning an end face of the coiled material at a tool feed speed of from 5 to 40 .mu.m/rev; extending the tow in a width direction and cutting the tow with a roller type cutting assembly to form Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel fibers having a fiber length of 20 to 200 mm; feeding the Fe--Cr--Al--La, Fe--Cr--Al--Y or Fe--Cr--Al--Ce stainless steel fibers having the fiber length of 20 to 200 mm to a conveyor; dropping the stainless steel fibers onto the conveyor and dispersing the stainless steel fibers by making an air current act on the stainless steel fibers; transporting the resulting sheet-shaped accumulation on the conveyor and compressing it to form a web and sintering the web. The stainless steel fibers have a thickness of from 7.5 to 180 .mu.m, a width of from 10 to 170 .mu.m and are from 17 to 21% by weight Cr, from 2.5 to 6.5% by weight Al, from 0.02 to 0.25% by weight of La, Y or Ce in addition to their iron content.
    • 制造金属纤维烧结体的方法包括:通过卷绕Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢薄片来制造卷材; 通过车床使丝网中的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce连续纤维丝束丝,以5〜40μm的刀具进给速度转动卷材的端面 m / rev; 在宽度方向上延伸丝束并用辊式切割组件切割丝束以形成纤维长度为的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢纤维 20〜200mm; 将纤维长度为20〜200mm的Fe-Cr-Al-La,Fe-Cr-Al-Y或Fe-Cr-Al-Ce不锈钢纤维进料到输送机上; 将不锈钢纤维落在输送机上,通过使气流作用在不锈钢纤维上来分散不锈钢纤维; 将所得到的片状积聚物输送到输送机上并压缩,形成网状物并烧结网状物。 不锈钢纤维的厚度为7.5〜180μm,宽度为10〜170μm,为17〜21重量%,Cr为2.5〜6.5重量%,Al为0.02〜0.25重量% La,Y或Ce的重量除铁含量外。