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Near-net-shape forming of ceramic powder under hot pressing and hot isostatic pressing
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 Title & Authors
Near-net-shape forming of ceramic powder under hot pressing and hot isostatic pressing
Kwon, Yeong-Sam; Kim, Ki-Tae;
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 Abstract
High temperature densification behaviors of alumina powder compacts were investigated under hot pressing and hot isostatic pressing. An alumina part of valve-head shape was fabricated under hot pressing and its forming process was simulated by finite element calculation. an alumina powder compact encapsulated by a stainless steel container was also densified under hot isostatic pressing. Inhomogeneous deformations during hot isostatic pressing due to the canning effect were observed experimentally and predicted by finite element analysis.
 Keywords
Near-Net-Shape;Ceramic;Hot Pressing;Hot Isostatic Pressing;Grain Growth;Diffusional Creep;Power-Law Creep;Finite Element Analysis;
 Language
Korean
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