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    • 5. 发明授权
    • Process for obtaining a composite article
    • 获得复合制品的方法
    • US4467954A
    • 1984-08-28
    • US308622
    • 1981-10-05
    • William L. Brenneman
    • William L. Brenneman
    • B21B1/22B23K20/04
    • B23K20/04B21B1/222
    • A process for forming a composite material from a core material having a first yield strength and a clad material having a second yield strength comprises passing the materials through at least one roll bite formed by at least two rolls rotating at different speeds relative to each other. A bond is formed between the core and clad materials by causing a reduction in the thickness of the materials as they pass through the at least one roll bite. The amount of reduction and the compressive force magnitude required to effect the bond is minimized. The process also includes applying back tension forces to the materials. In a preferred embodiment, different back tension forces are applied to the core and clad materials.
    • 从具有第一屈服强度的芯材和具有第二屈服强度的复合材料形成复合材料的方法包括使材料通过由彼此以不同速度旋转的至少两个辊形成的至少一个辊咬合。 通过在材料通过至少一个辊咬合时使材料的厚度减小,在芯和包层材料之间形成结合。 实现粘结所需的还原量和压缩强度最小化。 该方法还包括向材料施加反向拉力。 在优选实施例中,不同的后拉力被施加到芯和包层材料上。
    • 7. 发明授权
    • Cooperative rolling mill apparatus and process
    • 合作轧机设备及工艺
    • US4412439A
    • 1983-11-01
    • US260491
    • 1981-05-04
    • William L. Brenneman
    • William L. Brenneman
    • B21B1/22B21B45/02
    • B21B1/222
    • This invention relates to a rolling mill apparatus and process which utilizes the creation of a differential friction force in at least the most downstream one of a plurality of roll bites for a variety of purposes. In a first embodiment, a differential friction force is created at the most downstream roll bite for reducing the maximum strip tension and forward strip tension thereby increasing the maximum attainable reduction in strip thickness per pass and reducing the size of the recoiler used for applying the forward tension. In a second embodiment, differential friction forces are created at the most upstream roll bite and the most downstream roll bite for increasing strip tension at all of the roll bites while decreasing the separating force required to obtain given strip reductions without increasing the maximum strip tension.
    • 本发明涉及一种轧机设备和方法,该设备和方法利用在多种轧辊镗头中的至少最下游的一个中产生差动摩擦力,用于各种目的。 在第一实施例中,在最下游的辊颚处产生差动摩擦力,用于减小最大带张力和前带张力,从而增加每次通过的条带厚度的最大可实现的减小,并减小用于施加前进的复卷机的尺寸 张力。 在第二实施例中,在最上游的辊咬和最下游的辊咬处产生不同的摩擦力,以增加在所有轧辊位置处的带材张力,同时降低了在不增加最大带钢张力的情况下获得给定钢带的所需分离力。
    • 8. 发明授权
    • Copper alloy with magnesium addition
    • 铜合金加镁
    • US5980656A
    • 1999-11-09
    • US898694
    • 1997-07-22
    • William L. BrennemanJohn F. Breedis
    • William L. BrennemanJohn F. Breedis
    • C22C9/00
    • C22C9/00
    • A copper alloy achieves high electrical conductivity, in excess of 70% IACS; high strength, ultimate tensile strength in excess of 75 ksi; good surface cosmetics; and good stampability, above 25% break, by controlled additions of magnesium, iron and phosphorous. There is a critical iron content to achieve both good stampability and high electrical conductivity and a critical phosphorous content to achieve high strength and relatively small metal phosphide particles. There is further, a critical relationship between the amount of iron and phosphorous. An additions of magnesium, in amounts of more than 0.03%, broadens the effective ratio of iron to phosphorous, widening the composition box of the alloys of the invention.
    • 铜合金实现高导电性,超过70%IACS; 高强度,极限拉伸强度超过75ksi; 良好的表面化妆品; 并且通过受控添加的镁,铁和磷,良好的冲压性,高于25%的断裂。 存在具有良好的冲压性和高导电性的临界铁含量以及实现高强度和相对小的金属磷化物颗粒的关键磷含量。 铁和磷的量之间还有一个关键的关系。 添加量大于0.03%的镁可以增加铁与磷的有效比例,拓宽本发明合金的组成。