Process for manufacturing vacuum vapour-phase deposition composite material wire and metal wire made from it
A technology of vapor deposition and composite materials, which is applied in the field of vapor deposition composite materials, which can solve problems such as fracture or uneven longitudinal components, uneven thickness of core metal and aluminum sleeve, and bursting of composite wires.
Inactive Publication Date: 2003-04-23
HITACHI METALS LTD
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Problems solved by technology
However, this creates a gap between the aluminum sleeve and the wire, and the stretching of the wire cannot be performed satisfactorily because slippage will occur between the two
When the wire is stretched, the core wire will break or the longitudinal component will become non-uniform because of the non-uniform thickness of the core metal and the aluminum sleeve
In addition, air may be trapped between the core wire and the aluminum sleeve, and pores will appear due to heating during vapor deposition, resulting in bursting of the vapor deposited composite filament
Method used
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[0026] Example 1
[0027] Hereinafter, examples of the present invention will be described in detail with reference to the accompanying drawings. Figure 1A with 1B Respectively, perspective views of vapor-deposited composite filaments of the present invention. Figure 1A shows a vapor-deposited composite filament with a specified outer diameter, while Figure 1B Vapor-deposited material is shown cut from a filament of vapor-deposited composite material to a prescribed length. A core metal 2 is formed at the core portion of the generally cylindrical aluminum sheath 1 . The outer diameter of the aluminum sheath 1 is 1.5±0.005mm, while the diameter of the core metal is 0.67+0.01mm. Figure 1A The vapor deposited composite filament shown is 300 m long. Figure 1B The cut-off vapor deposited material is shown to be 20 ± 0.2 mm long. In this example, iron was used as the core metal, which had the above-mentioned size and shape. Its composition is 42% by weight of iron and 58% b...
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Abstract
Disclosed is a process for manufacturing a long composite vacuum vapor-deposition material wire in which an outer periphery of a core wire of iron, nickel, cobalt or an alloy of these metals is coated or sheathed with an aluminum or aluminum alloy. The outer periphery of the core wire is coated or sheathed with aluminum etc. by plastic working, thereby to form a primary composite wire so as not to form a macroscopic space between the core wire and the aluminum coating. By performing a cold wire drawing of this primary composite wire, the core material and the coating material are integrally drawn and firmly bonded together by the self-heat generation or frictional heat during plastic deformation. It is possible to obtain a composite vacuum vapor-deposition material wire which has a weight ratio of core portion of 8 to 45 wt. %, a uniform composition distribution in length and a length of more than 100 m.
Description
technical field [0001] The present invention relates to a vapor deposition composite material suitable for use in a continuous vacuum vapor deposition process to form vapor deposition composite films having different film compositions in the initial and final evaporation stages. In particular, the present invention relates to a vapor deposition composite material and a process for the manufacture of the vapor deposition composite material, which is suitable for forming a vapor deposition composite film, the composition of which will vary greatly , such as changes that occur in light-reflecting films and light-absorbing films formed on the fluorescent surfaces of cathode ray tubes such as color television picture tubes. Background technique [0002] In a continuous vacuum vapor deposition process, it is usually necessary to form many laminated vapor deposition films with different characteristics. In a cathode ray tube such as a color TV picture tube, phosphors of three colo...
Claims
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IPC IPC(8): B21C37/04C23C14/24
CPCC23C14/246B21C37/042Y10T428/12438Y10T428/1275Y10T428/12757C23C14/24
Inventor古市真治绪方憲嗣高嶋重利
OwnerHITACHI METALS LTD