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    • 3. 发明授权
    • Machines for making metal fibril compacts
    • 制造金属纤维复合材料的机器
    • US3680183A
    • 1972-08-01
    • US3680183D
    • 1971-03-18
    • DAVID R JOHNSONBRUNSWICK CORP
    • SUNDBERG BERTIL JLUKSCH ANDREAS
    • B01D29/00B01D29/11B22F3/00B23P17/06
    • B23P17/06B01D29/111B01D29/21B22F3/002Y10T29/147Y10T29/49604Y10T29/49801
    • Method and Product: Compacts composed of fibrils of tough, recalcitrant metals such as stainless steel; the density of the compacts being about 30 to 85 percent of the density of the metal of which the ''''fibrils'''' are composed. The fibrils range in transverse dimension from about 0.0005 to 0.005 inch, have an area less than that of a 0.002 inch circle, are of uniform length, and are made by shearing off narrow width pieces from the end of a rolled strip of parent metal. Individual fibrils have the two flat rolled faces of the parent strip and two sheared faces the width of one of the sheared faces being wider than the other as a result of shearing, so that the cross section of the fibril ranges from roughly triangular to squashed four-sided configuration with the two rolled faces converging toward the narrower of the sheared faces. Compacts are made by separating the fibrils and air lifting them against a traveling screen through which loose extraneous burrs, chips and slivers are substantially removed, thereby leaving a mat of fibrils substantially free from degraded particles which might otherwise contaminate the mat and migrate through it. The mat has excellent green strength and is compressed through several stages preferably with intermediate annealing until the densities are obtained. Compacts of varying densities throughout the thickness of the compact may be prepared. The compacts composed of the compressed mat (or layers of mat) may be supported on exterior surfaces by woven or reticulated metal support members. Extremely recalcitrant metals such as hard-to-work Type 347 Stainless Steel Alloy and similar difficulty machinable metals may be utilized for making the original fibrils. The finished compacts are useful for sophisticated filtering and the like applications and for transpiration cooled surfaces.
    • 方法和产品:由韧性,顽固性金属如不锈钢的原纤维组成的压块; 压块的密度约为构成“原纤维”的金属密度的约30%至85%。 原纤维的横向尺寸范围为约0.0005至0.005英寸,面积小于0.002英寸圆的面积,具有均匀的长度,并且通过从母体金属的轧制带的端部剪切出窄宽度的片而制成。 单个原纤维具有母条带的两个平坦的卷曲面,两个剪切面的剪切面的一个剪切面的宽度比另一个剪切面宽,使得原纤维的横截面从大约三角形到四边形 两个滚动面朝着剪切面的较窄的方向收敛。 紧固件通过将原纤维和空气提起来将其提升到移动的筛网上而制成,通过该移动筛网,松散的外来毛刺,碎屑和条子基本上被除去,从而留下原纤维垫基本上不含可能污染垫子并迁移通过其的降解颗粒。 该垫具有优异的生坯强度,并通过几个阶段压缩,优选用中间退火直到获得密度。 可以制备整个整个厚度的不同密度的压块。 由压缩垫(或垫层)组成的压块可以由编织或网状金属支撑构件支撑在外表面上。 非常顽固的金属,如难以工作的347型不锈钢合金和类似的难加工金属可用于制造原始的原纤维。 成品压块可用于精密过滤和类似应用以及蒸发冷却表面。
    • 4. 发明授权
    • Metal fibril compacts and methods and machines for making same
    • 金属纤维复合材料及其制造方法和机器
    • US3632027A
    • 1972-01-04
    • US3632027D
    • 1970-03-02
    • BRUNSWICK CORPDAVID R JOHNSON
    • SUNDBERG BERTIL JLUKSCH ANDREAS
    • B01D39/20B22F3/00B21C47/00B21D5/14B21D7/04
    • B22F3/002B01D39/2044
    • Method and Product: Compacts composed of fibrils of tough, recalcitrant metals such as stainless steel; the density of the compacts being about 30 to 85 percent of the density of the metal of which the ''''fibrils'''' are composed. The fibrils range in transverse dimension from about 0.005 to 0.005 inch, have an area less than that of a Type inch circle, are of uniform length, and are made by shearing off narrow width pieces from the end of a rolled strip of parent metal. Individual fibrils have the two flat-rolled faces of the parent strip and two sheared faces, the width of one of the sheared faces being wider than the other as a result of shearing, so that the cross section of the fibril ranges from roughly triangular to squashed four-sided configuration with the two rolled faces converging toward the narrower of the sheared faces. Compacts are made by separating the fibrils and air lifting them against a traveling screen through which loose extraneous burrs, chips and slivers are substantially removed, thereby leaving a mat of fibrils substantially free from degraded particles which might otherwise contaminate the mat and migrate through it. The mat has excellent green strength and is compressed through several stages preferably with intermediate annealing until the densities are obtained. Compacts of varying densities throughout the thickness of the compact may be prepared. The compacts composed of the compressed mat (or layers of mat) may be supported on exterior surfaces by woven or reticulated metal support members. Extremely recalcitrant metals such as hard-to-work Type 347 Stainless Steel Alloy and similar difficulty machinable metals may be utilized for making the original fibrils. The finished compacts are useful for sophisticated filtering and the like applications and for transpiration cooled surfaces.
    • 方法和产品:由韧性,顽固性金属如不锈钢的原纤维组成的压块; 压块的密度约为构成“原纤维”的金属密度的约30%至85%。 原纤维的横向尺寸范围为约0.005至0.005英寸,其面积小于类型英寸圆的面积,具有均匀的长度,并且通过从母体金属的轧制带的端部剪切出窄宽度的片而制成。 单个原纤维具有母条的两个平卷面和两个剪切面,剪切面的一个剪切面的宽度比另一个剪切面宽,使得原纤维的横截面从大约三角形到 挤压的四面配置,两个滚动面朝着剪切面的较窄的方向收敛。 紧固件通过将原纤维和空气提起来将其提升到移动的筛网上而制成,通过该移动筛网,松散的外来毛刺,碎屑和条子基本上被除去,从而留下原纤维垫基本上不含可能污染垫子并迁移通过其的降解颗粒。 该垫具有优异的生坯强度,并通过几个阶段压缩,优选用中间退火直到获得密度。 可以制备整个整个厚度的不同密度的压块。 由压缩垫(或垫层)组成的压块可以由编织或网状金属支撑构件支撑在外表面上。 非常顽固的金属,如难以工作的347型不锈钢合金和类似的难加工金属可用于制造原始的原纤维。 成品压块可用于精密过滤和类似应用以及蒸发冷却表面。