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1. 发明申请

WO2017089960A1 MICROSTRUCTURED SURFACES FOR ENHANCED PHASE CHANGE HEAT TRANSFER 审中-公开
标题翻译：用于增强相变热传递的微结构表面
公开(公告)号：WO2017089960A1
公开(公告)日：2017-06-01
申请号：PCT/IB2016/057042
申请日：2016-11-22
申请人： VICTORIA LINK LTD
发明人： GOUWS, Gideon J.
IPC分类号： F28F13/18 , B22F3/22 , B22F3/11
CPC分类号： B22F3/11 , B22F3/22 , B22F7/04 , C23C24/08 , F28D15/0233 , F28D15/046 , F28F13/187 , F28F2255/18
摘要： A thermally conductive substrate has formed thereon a microstructured surface layer of sintered metal surfaced nanoparticles providing a hierarchical void structure for facilitating two-phase heat transfer. The hierarchical void structure includes small voids smaller than one micron, large voids larger than the small voids; and elongated intermediate size voids forming channels between walls of the particles. The microstructure can be made by making a suspension of the nanoparticles solvent comprising a binder material, coating the substrate with the suspension to form a surface layer on the substrate, and then cooling the coated substrate below a freezing point of the solvent to induce segregation between the particles and the frozen solvent, and then removing the frozen solvent from the surface layer, and then heating the coated substrate to sinter the particles together.
摘要翻译：导热基底上形成有烧结金属表面纳米颗粒的微结构化表面层，其提供用于促进两相热传递的分层空隙结构。分层空隙结构包括小于1微米的小空隙，大空隙大于小空隙; 和细长的中间尺寸空隙，形成颗粒壁之间的通道。可以通过制备包含粘合剂材料的纳米颗粒溶剂的悬浮液，用悬浮液涂覆基底以在基底上形成表面层，然后将涂覆的基底冷却至溶剂的冰点以下以诱导分离颗粒和冷冻溶剂，然后从表面层中除去冷冻溶剂，然后加热涂覆的基材以将颗粒一起烧结。

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