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Korean Journal of Metals and Materials > Volume 55(10); 2017 > Article
Korean Journal of Metals and Materials 2017;55(10): 745-751. doi: https://doi.org/10.3365/KJMM.2017.55.10.745
통일신라의 고주석 청동기에서 확인되는 제작기술의 다양성과 이에 투영된 사회적 변화에 관한 연구
박장식1, 주진옥2
1홍익대학교 세종캠퍼스 금속공학과
2(재)신라문화유산연구원 보존연구팀
The Social Implications of Technological Variability as Observed in High Tin Bronze Objects of the Unified Silla
Jang Sik Park1, Jin Ok Joo2
1School of Materials Science and Engineering, Hongik University, Sejong 30016, Republic of Korea
2Foundation of Silla Cultural Heritage Research Institute, Gyongju, Republic of Korea
Correspondence  Jang Sik Park ,Tel: +82-44-860-2562, Email: jskpark@hongik.ac.kr
Received: 1 June 2017;  Accepted: 21 June 2017.  Published online: 28 September 2017.
ABSTRACT
Korea is famous for more than a millennium of continuous fabrication of Cu-Sn objects with near peritectic composition through a process of forging and rapid cooling at approximately 700 °C. We examined four high tin bronze hairpins excavated from two Unified Silla sites in Gyongju and found substantial variability reflecting the development process of high tin technology as it evolved toward a fully established and standardized state. This observation suggests two facts of significance; 1) the interest in high tin bronze technology was renewed or initiated with the coming of the Unified Silla and 2) the specific processing conditions gradually emerged from a long period of experimentation with various high tin alloys using a wide range of thermo-mechanical treatments. We discuss these two facts in terms of the plausible social transformations brought to Gyongju by Silla’s unification. The outcome will then be used to propose that the highly optimized and standardized high tin bronze tradition represents a technological innovation unique to Korea made possible by changing sociopolitical environments.
Keywords: Unified Silla, high tin bronze technology, variability, optimization, social implication
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