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1. 发明公开

KR1020010062367A 마그네슘 장벽을 갖는 열교환기 조립체 无效
标题翻译：热交换器总成与镁棒
公开(公告)号：KR1020010062367A
公开(公告)日：2001-07-07
申请号：KR1020000075853
申请日：2000-12-13
申请人： 비스테온 글로벌 테크놀로지스, 인크.
发明人： 머칭나젠드라나라야나 , 에반스티모시반
IPC分类号： B23K20/00
CPC分类号： F28F21/089 , B23K1/0012 , B23K1/19 , B23K1/203 , B23K35/002 , B23K35/3605 , B23K2201/14 , F28F21/084 , Y10T428/12764
摘要： PURPOSE: A more efficient magnesium barrier is provided within an improved heat exchanger assembly, and a stronger tubing or core material of a heat exchanger assembly is provided to lessen the weight thereof. CONSTITUTION: The improved heat exchanger assembly comprises at least one aluminum based tube(12) including magnesium adapted to be exposed to an ambient atmosphere and having an internal surface(14) and an external surface(16); an aluminum based cladding(18) disposed adjacent one of the internal and external surfaces(14,16); at least one aluminum based component(22) disposed adjacent the cladding; a brazing flux(13) applicable between the aluminum based cladding(18) and the aluminum based component(22) to facilitate brazing in the ambient atmosphere; and an aluminum based lithium enriched layer disposed between the one of the internal and external surfaces and the aluminum based cladding, wherein the aluminum based lithium enriched layer is adapted to scavenge sufficient oxygen from the ambient atmosphere during brazing to form a sufficient barrier against the diffusion of magnesium from the aluminum based tube that the formation of undesirable magnesium oxide is resisted.
摘要翻译：目的：在改进的热交换器组件中提供更有效的镁屏障，并且提供热交换器组件的较强的管材或芯材料以减轻其重量。构造：改进的热交换器组件包括至少一个铝基管（12），其包括适于暴露于大气环境并具有内表面（14）和外表面（16）的镁的铝基管; 邻近所述内表面和外表面之一设置的铝基包层（18）; 设置在所述包层附近的至少一个铝基部件（22）可应用在铝基包层（18）和铝基部件（22）之间的钎焊焊剂（13），以便于在环境大气中的钎焊; 以及设置在所述内表面和外表面之一之间的铝基锂富集层和所述铝基包层，其中所述铝基富锂层适于在钎焊期间从所述环境大气中清除足够的氧以形成抵抗所述扩散的足够的阻挡层的来自铝基管的镁，以防止不期望的氧化镁的形成。

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