書誌事項
- タイトル別名
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- On the Change in Lattice Parameter in the Matrix of Cu-Ti Alloys during Ageing Process
- Cu Ti ゴウキン ノ ジコウ ニ トモナウ ボソウ ノ コウシ テイスウ
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The lattice parameter of the specimens quenched from the region of a homogenious solid solution was measured for various Cu-Ti alloys containing about 0.2, 0.3, 0.6, 1.1, 1.7, 2.5 and 5.1 at%Ti. The ageing characteristics of the alloys aged at 450°C were studied by X-ray diffraction analysis, optical and electron microscope observations.<BR>The following conclusions are obtained.<BR>(1) The lattice parameter of the quenched specimens increases at a rate of 0.00055 nm/at%Ti with increasing Ti concentration up to 1.7 at%Ti. For more than 1.7 at%Ti, however, the increasing rate of lattice parameter becomes smaller than for less than 1.7 at%Ti.<BR>By transmission electron microscope observation, the decomposition of the solid solution during quenching is confirmed to occur in the alloys containing more than 1.7 at%Ti. So, it seemes that such a decomposition decreases the increasing rate of the lattice parameter for the alloys of less than 1.7 at%Ti.<BR>(2) The lattice parameter of each alloy decreases continuously to a constant value during ageing. The decrease of the lattice parameter corresponds to the decreases of the Ti concentration in the matrix of the alloys in the ageing process: solid solution—3-phase structure (model of G.P.zone)—2-phase structure.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 42 (1), 63-68, 1978
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282681460533888
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- NII論文ID
- 130007336175
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 1925524
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- データソース種別
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- JaLC
- NDL
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