This paper analyzes the bronze wares unearthed from Yejiashan M27 through scientific and technological detection methods.The results show that among the 17 containers,there are 9 pieces of tin bronze and 8 pieces of lead-tin bronze;some of the assembled utensils are made separately,and some are made of the same ratio of metal materials.This batch of bronze wares was made by casting technology and had two types of microstructures:casting and heating-after-casting.Among them,8 samples of the utensil body showed the after-cast microstructure,and 9 pieces were heated after casting.The lead contained in the 9 bronze container samples analyzed is all common lead;the decoration,modeling,and lead isotope ratio characteristics of Gefugui Gui M27:28 indicate that they were circulated to M27 in Yejiashan through plundering,gifting,"dividing vessels",buying and other methods.Other utensils belong to the category of common lead of class A and class C,and among the inscription copper wares of other clans,some utensils used the same or similar mineral materials as Zengguo bronze wares,while others used different minerals,which reflect important information on the circulation of bronze materials in the early and middle Western Zhou Dynasty,and some of them circulated in sets.Some utensils used low-melting-point solder technology.
metallurgical archaeologyYejiashan CemeteryWestern Zhou Dynasty copper warelead isotope ratio
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