Research on the Structure and Low-Temperature Annealing Effect in Cold-Rolled α-Brass. I : Structure and Change in Hardness
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The change in hardness by low-temperature annealing of cold-rolled 70/30 brasses having different ready-to-finish grain sizes (fine and coarse) and cold-rolled by different reductions (10〜90 per cent) was measured. The specimens were annealed at 150, 250, 350 and 450° for 5 min〜24 hrs. The hardness change by annealing was considered to be related to the structures as ready-to-finish annealed and as cold-rolled. It appears that the hardness does not vary simply with rolling reduction or grain size, but is more complicatedly influenced by the development degree of the rolling structure or by the condition of specimens such as the composition.
- 東北大学の論文
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