Improvement of Density and Young’s Modulus of TiB<sub>2</sub> Reinforced Low-alloyed Sintered Steel by Small Amount Addition of Boride Powder
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- MATSUMOTO Nobuhiko
- Toyota Central R&D Labs., Inc.
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- MIYAKE Toshitake
- Toyota Central R&D Labs., Inc.
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- KONDOH Mikio
- Former Employee of Toyota Central R&D Labs., Inc.
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- OISHI Yusuke
- Toyota Motor Corporation
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- TOYAMA Kazuhiro
- Toyota Motor Corporation
Bibliographic Information
- Other Title
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- ホウ化物の少量複合添加によるTiB<sub>2</sub>添加低合金焼結鋼の高密度・高ヤング率化
- ホウ化物の少量複合添加によるTiB₂添加低合金焼結鋼の高密度・高ヤング率化
- ホウカブツ ノ ショウリョウ フクゴウ テンカ ニ ヨル TiB ₂ テンカ テイゴウキン ショウケツコウ ノ コウミツド ・ コウヤングリツカ
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Abstract
<p>To obtain a significantly higher Young’s modulus than conventional wrought steels, the improvement of the sintered density was necessary for low-alloyed sintered steels containing 15 vol% or more TiB2. In this study, the effect of boride powders as the small amount additives on the sintered density and the Young’s modulus of TiB2 reinforced low-alloyed sintered steels was investigated.</p><p>A small amount addition of ZrB2 powder was suitable to increase the sintered density of low-alloyed sintered steels containing 15 vol% or more TiB2, because of promoting the infiltration of the liquid phase formed during sintering into the agglomerates of TiB2 particles. As a result, the high sintered density equivalent to 97% of pore free density and the high Young’s modulus of 300 GPa equivalent to 1.5 times that of conventional wrought steels were achieved when the content of TiB2 was 40 vol%.</p>
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 68 (2), 60-66, 2021-02-15
Japan Society of Powder and Powder Metallurgy
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Keywords
Details 詳細情報について
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- CRID
- 1390850092195887872
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- NII Article ID
- 130007986291
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- NII Book ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 031305056
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed