Which metal has a low-grade version called spelter, often used for sculptural casting?
Spelter Spelter Spelter, while sometimes used merely as a synonym for zinc, is often used to identify a zinc alloy. In this sense it might be an alloy of equal parts copper and zinc, i.e. a brass, used for hard soldering and brazing, or as an alloy, containing lead, that is used instead of bronze. In this usage it was common for many 19th-century cheap, cast articles such as candlesticks and clock cases and early 20th-century Art Nouveau ornaments and Art Deco figures. Early twentieth-century Art Nouveau and Art Deco figures and lamps were often made of spelter. The metal has
Semi-solid metal casting are equal to or better than die casting rates, no air entrapment, low shrinkage rates, and uniform microstructure. Because thixotropy (semi-solid state) is a middle state in physical or rheological sense process conditions form a band so narrow even environmental temperature differences have to be considered. Thus production facilities need a high level of technology and operators require similar knowledge and training. Semi-solid metal casting Semi-solid metal casting (SSM) is a near net shape variant of die casting. The process is used with non-ferrous metals, such as aluminium, copper, and magnesium. The process combines the advantages of casting and forging.