SINTERED MATERIAL AND METHOD FOR MANUFACTURING SINTERED MATERIAL

To provide a sintered material reduced in weight and having low thermal expansion.SOLUTION: A sintered material contains 20-60 mass% of nickel, the balance being iron and inevitable impurities, and has a porosity of 25-60%. The pore size is preferably 50-200 μm. The density is preferably 4.0-6.0 g/m...

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Bibliographic Details
Main Authors OGAWA TETSUYA, ISHIHARA CHIO, SHIOTANI MAYU, SUDA SOICHIRO, NAKAYAMA NORIYUKI
Format Patent
LanguageEnglish
Japanese
Published 11.03.2021
Subjects
ALLOYS
CASTING
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Summary:To provide a sintered material reduced in weight and having low thermal expansion.SOLUTION: A sintered material contains 20-60 mass% of nickel, the balance being iron and inevitable impurities, and has a porosity of 25-60%. The pore size is preferably 50-200 μm. The density is preferably 4.0-6.0 g/m3.SELECTED DRAWING: Figure 1 【課題】軽量化された低熱膨張性の焼結材料を提供することができる。【解決手段】２０〜６０質量％のニッケルを含み、残部が鉄及び不可避不純物からなり、気孔率が２５〜６０％である、焼結材料である。好ましくは、気孔サイズが５０〜２００μｍである。好ましくは、密度が４．０〜６.０ｇ／ｍ３である。【選択図】図１
Bibliography:Application Number: JP20190158351