Abstract:
(1) 복수의 클래드 판재를 적층시키되, 복수의 클래드 판재 사이마다 중간접합재로서 크롬(Cr), 지르코늄(Zr), 은(Ag) 및 마그네슘(Mg)으로 이루어지는 군으로부터 선택되는 적어도 1종 이상의 원소를 함유하는 열처리형 구리합금을 삽입시켜 클래드 판재 적층구조물을 형성시키는 제1단계; (2) 상기 클래드 판재 적층구조물을 용체화시키는 제2단계; (3) 상기 클래드 판재 적층구조물을 접합시키는 제3단계; 및 (4) 상기 접합된 클래드 판재 적층구조물을 시효처리하는 제4단계;를 포함하여 이루어지는 클래드 판재의 제조방법이 개시된다. 본 발명에 의할 경우 중간접합재의 기계적 강도, 비강도 특성을 향상시킴과 아울러 클래드 판재와 중간접합재 간에 치밀한 접합이 이루어지게 하여 클래드 판재의 내구성 및 신뢰성을 향상시킬 수 있게 된다.
Abstract:
PURPOSE: A clad sheet manufacturing method and a clad sheet being manufactured by the same are provided to prevent detects and cracks of an intermediate material because a copper alloy containing silver is utilized as an intermediate binder. CONSTITUTION: A clad sheet manufacturing method is as follows. Several clad plates are laminated. An intermediate copper alloy binder is inserted into between the clad plates so that a laminated clad sheet structure is formed. The intermediate copper alloy binder contains 0.5 to 20wt.% of silver. The laminated clad sheet structure is welded. The clad plate selects one or more kinds from a group being composed of titanium, a Ti alloy, carbon steel, alloy steel, and stainless steel.
Abstract:
PURPOSE: A method for manufacturing clad plates having copper alloy intermediate members is provided to improve the strength, durability, and reliability of the clad plates by intensifying interfacial bonding and interfacial strength because the intermediate members are made of Ag-containing copper alloys. CONSTITUTION: A method for manufacturing clad plates having copper alloy intermediate members is as follows. The clad plates are laminated. At this time, the copper alloy intermediate members containing 0.5-20 wt.% of Ag are inserted between the clad plates. The laminated clad plates and intermediate members are attached. [Reference numerals] (AA) Before bonding process; (BB) After bonding process; (CC) Cu-15%wtAg Hardness(Hv)
Abstract:
PURPOSE: A method for manufacturing a cladding sheet using a precipitation-hardening type copper alloy as an intermediate joint which is obtained by a thermal treatment, and the cladding sheet manufactured by the same are provided to improve the durability of the cladding sheet by firmly bonding the cladding sheet and the intermediate joint. CONSTITUTION: A method for manufacturing a cladding sheet is as follows: A cladding plate stacked structure is formed by inserting a thermal treated copper alloy including an element between cladding sheets as an intermediate joint; The element is at least one kind selected from a group composed of chrome(Cr), zirconium(Zr), silver(Ag), and magnesium(Mg); The cladding plate stacked structure is solution-treated; The cladding plate stacked structure is welded; An aging of the welded cladding plate stacked structure is performed.
Abstract:
PURPOSE: A method for manufacturing a clad sheet using an aluminum alloy intermediate binder and a clad plate manufactured by the same are provided to improve the durability and the reliability of a clad plate by improving mechanical properties and specific strength characteristics because a heat-treated aluminum is used. CONSTITUTION: A method for manufacturing a clad sheet using an aluminum alloy intermediate binder is as follows. Several clad plates are laminated. An intermediate copper alloy binder is inserted into between the clad plates so that a laminated clad sheet structure is formed. The laminated clad sheet structure is treated by a solution. The solution-treated laminated clad sheet structure is quenched. The laminated clad sheet structure has been cooled is age-treated.
Abstract:
PURPOSE: A clad coin, and a manufacturing method thereof are provided to have same electric conductivity same with nickel, thereby having compatibility in existing vending machines. CONSTITUTION: A manufacturing method of a clad coin comprises a step of laminating an alloy layer on both sides of carbon steel of alloy steel to a sandwich shape. The copper alloy layer comprises 10-25 weight% of zinc, 5-20 weight% of nickel, and residual copper. A copper alloy layer additionally comprises 0.01-5 weight% of iron. The alloy steel is stainless steel. The electric conductivity of the clad coin is 4-7.5% IACS[International Annealed Copper Standard]. The clad coin is white.
Abstract:
본 발명은 클래드 주화(Clad coin) 및 그 제조 방법에 관한 것으로서, 보다 구체적으로는 탄소강 또는 합금강의 양면에 샌드위치 모양으로 구리 합금층이 적층된 구조를 갖는 클래드 주화 및 그 제조 방법에 관한 것이다. 본 발명의 탄소강 또는 합금강에 구리 합금 조성물이 적층된 클래드 주화는 백동과 동일한 전기전도성을 가짐으로써 자동판매기에서 백동 주화와 동일하게 인식되어 기존의 자동판매기에서의 호환성이 있으며, 백동과 거의 동일한 색상을 보이고, 내변색성이 우수하며, 비용 절감의 효과도 우수한 특징이 있다.
Abstract:
본 발명은 클래드 판재의 제조 방법 및 이로부터 얻어지는 클래드 판재에 관한 것으로서, 보다 상세하게는 클래드 판재 사이에 고 접합성 및 고 강성을 나타내는 열처리형 알루미늄 합금으로 이루어지는 중간접합재를 삽입하여 클래드 판재를 제조하는 방법 및 이로부터 제조된 클래드 판재에 관한 것이다. 본 발명에 의할 경우, 접합중간재인 열처리형 알루미늄 합금을 사용함으로써 기계적 성질, 비강도 특성을 개선시켜 클래드 판재의 내구성 및 신뢰성을 향상시킬 수 있게 된다.