アルミニウムおよび銅板の2次加工性に関する研究

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タイトル別名
  • Study on the Secondary-Workability of Aluminium and Copper Sheets
  • アルミニウム オヨビ ドウバン ノ 2ジ カコウセイ ニ カンスル ケンキュウ

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抄録

The influence of work-history on the r-value has been examined on the pure aluminium and copper sheets having the cubic orientation.<BR>The results obtained are as follows:<BR>(1) The r-values of the Cu annealed specimens having the cubic orientation have neither texture anisotropy dependence nor strain rate dependence and are expressed by r=0.95 for the whole strain regions.<BR>(2) On the r-values of the Cu prestrained specimens pressed under conditions of \dotε=0.666/sec, ε=0.50 and n=0.336, the r-values of 0° and 90° directions to the rolling direction are expressed by r=e−0.05·\sqrtε. While the r-values of 0° and 90° directions have no strain rate dependence, but the r-value of 45° direction shows the strain rate dependence and are expressed by r=e0.006·ε0.27·\dotε0.02.<BR>(3) The r-values of the annealed specimens having the cubic orientation have no strain rate dependence and are expressed by r0=0.60, r45=0.90 and r90=0.50 for the whole strain regions.<BR>(4) On the r-values of the Al prestrained specimens pressed with conditions of \dotε=0.653/sec, ε=0.50 and n=0.283, the r-values of 0° and 90° directions to the rolling direction are expressed by r=1.747·ε+0.239. While, this r-values of 0° and 90° directions have no strain rate dependence, but the r-value of 45° direction shows the strain rate dependence and are expressed by r=3.56·\dotε+0.43·ε+0.118.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 36 (9), 920-926, 1972

    公益社団法人 日本金属学会

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