Nov 28, 2023 · In summary, the talc, bone ash (hydroxyapatite), lime plaster (calcite), and analcime materials on the surface of ceramic molds for iron casting from the ancient capital city site of Zhu state may function as release agents to facilitate the demolding of castings and improve the casting surface quality.

Oct 1, 2024 · The moldboard, also known as the wedge or iron plate, was a key functional component of the straight shaft plow during the Han dynasty as it turned over and broke up the soil. When the moldboard was attached to the plowshare to form the metal part of the straight shaft plow, plowing quality was greatly enhanced.

Sep 15, 2012 · Danish experimental research has seized on the assumption that lost wax-casting was frequently used in Scandinavia in the Bronze Age, through the Iron Age and into the Middle Ages. The Norwegian goldsmith´s grave has been accepted as …

Using hydrated lime as a binder can efficiently create a smooth surface layer on ceramic molds. Collectively, these technologies supported the iron casting industry in the production of thin-walled, ductile cast iron farm tools with low iron consumption.

Nov 28, 2023 · A collection of ceramic molds for iron casting from the late Warring States period has been unearthed at the ancient capital city site of Zhu (邾) state in Zoucheng City, Shandong Province.

Dec 1, 2020 · Further, during examination of an ancient metal find, plating and surface treatments represent the first impact of the material, offer clues on the conservation state, and often allow us to determine the use, function, and significance of the object in its social and historical context.

Apr 17, 2019 · Although iron and other metals had been discovered, it was not until centuries later that they could be melted and poured into a mold, such as a casting. Archeologists believe that iron was discovered by the Hittites of ancient Egypt somewhere between 5000 and 3000 BCE.

The items updated today w/ class were mistagged for plate and chain classes... An Ancient Chestplate Mold is for PLATE classes, An Ancient Chestguard is for CHAIN

Ingot Mold is made with Grey Cast iron, machined clean smooth pocket for bar plate mold. The cast iron mold can be used in making flat bar forms with Precious Metals like Gold, Silver as well as Copper and more Ingot has an opening to make an ingot in Gold of 30 grams - 1Toz Maximum Capacity ingot, can be used for less volume.

It appears this is for the Chain version of the 71 armor quests. The Ancient Chestplate Mold is for the plate version. How very nice of them to switch from Chain Patterns to Chain Molds and take the word "chain" out of it to make it extra confusing.