Metallography in Archaeology and Art by David A. Scott & Roland Schwab

Metallography in Archaeology and Art by David A. Scott & Roland Schwab

Author:David A. Scott & Roland Schwab
Language: eng
Format: epub
ISBN: 9783030112653
Publisher: Springer International Publishing


Root ([95], p. 76) found that the hardness of copper-gold alloys, annealed above 420 °C, showed a maximum which was close to the eutectic composition. Figure 4.57 is from Rapson and Groenwald ([86], p. 38, Figure 10) and shows the variation in quenched and slow-cooled gold-copper alloy hardness values, given on the Brinell scale. For a series of conversion charts for this kind of data, see Scott [104] and Sect. 3.​3.​3.​1.

Fig. 4.57 Hardness variation on cooling or quenching of a range of gold-copper alloys



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