ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
To simplify forming process of cladding materials with high performance, such as coppercladding aluminum composite materials, and to improve the interface quality of cladding materials,a novel forming process called Core-Filling continuous Casting (CFC) for bimetal compositematerials is proposed. A conceptual equipment is developed, and the forming of composite bars ofcopper cladding aluminum is investigated. The basic technique theory of CFC, the reaction andbonded state of interface and the interfacial bonding strength of the cladding materials, as well asthe influences of technological parameters are analyzed. The composite bars of copper claddingaluminum with 24mm in diameter of core material and 8mm in thickness of cladding layer aresuccessfully fabricated. The results show that: (i) the proposed CFC process is feasible in principle;(ii) the composite bars of copper cladding aluminum having metallurgical bonding interfaces can befabricated by CFC process under the conditions of liquid copper temperature of 1250~1300℃,liquid aluminum temperature of about 700℃ and drawing velocity of 12~24mm/min; (iii) thecopper layer thickness distribution is uniform both in the directions of portrait and circumferenceand (iv) the interfacial bonding strength is higher than that of core aluminum
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.956.pdf
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