Influence of Measuring Method on Young's Modulus and Comparison with Young's Modulus and Mechanical Property of Sintered Irons.
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- Hirose Norimitsu
- Tokyo Metropolitan College of Aeronautical Engineering
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- Tanaka Shin-ichi
- Tokyo Metropolitan Tama Small and Medium-sized Business Promotion Center
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- Tanaki Toshiyuki
- Tokyo Metropolitan Industrial Technology Research Institute
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- Asami Junichi
- Tokyo Metropolitan Industrial Technology Research Institute
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抄録
In this study, the relationships between porosity and Young's moduli measured by an acoustic pulse method, a resonance frequency technique, a tensile test and a bending test of sintered irons were investigated. Moreover, tensile strength and proof stress were measured by tensile test, and these values and Young's modulus were evaluated against porosity.<BR>Young's moduli measured by the acoustic pulse method, resonance frequency technique and tensile test, except for the bending test, were nearly equal at the same porosity. In the case of the bending test, the moment of inertia of the area was a linear function of porosity. Young's modulus measured by the bending test, which was corrected by use of the above relation, was equal to that by other method. Young's modulus measured by the bending test was 0.7-0.8 times of Young's modulus measured by the tensile test.<BR>Young's modulus (E), tensile strength (Ts) and proof stress (Ps) against porosity (P) are expressed as E=(E0-KE⋅P) (1-P), Ts=(Tso-KTs⋅P)(1-P) and Ps=(Pso-Kps⋅P)(1-P), respectively. Here, E0, Tso and Pso are Young's modulus, tensile strength and proof stress at P=0, and KE, KTS and KPS are the experimental coefficients of each relation. Moreover, we found that the relationships among Young's modulus, tensile strength and proof stress are in positive correlation.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 50 (2), 96-103, 2003
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390282681283515264
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- NII論文ID
- 130000818569
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- NII書誌ID
- AN00222724
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 6461082
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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