日本金属学会誌

J. Japan Inst. Metals, Vol. 40, No. 2 (1976),
pp. 197-200

Etch Pits at Dislocations in Magnesium Single Crystals

Mikio Sasaki1 and Kenzaburo Marukawa2

1Graduate School, Hokkaido University, Sapporo. Present address: Research Laboratory, Asahi Glass Co., Ltd., Yokohama
2Faculty of Engineering, Hokkaido University, Sapporo

Abstract:

Etching solutions which can develop etch pits at dislocations in high purity magnesium single crystals have been found. One solution (solution A) which is composed of 10 g of ammonium nitrate and 50 cc of water produces etch pits for both aged and fresh dislocations, while another solution (solution B) which consists of 10 g of ammonium chloride and 50 cc of water makes etch pits only for aged dislocations. Both the solutions A and B have been found applicable for any of (0001), 10 10, and 11 20 surfaces of the crystals.


(Received 1975/09/10)

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