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Zamak 5 has the same composition as zamak 3 with the addition of 1% copper in order to increase strength (by approximately 10% [17]), hardness and corrosive resistance, but reduces ductility. [30] It also has less dimensional accuracy. [30] Zamak 5 is more commonly used in Europe. [2]
3 Fe(CN), 5-10% potassium hexafluorozirconate K 2 ZrF 6, and 5-10% sodium fluoride NaF by weight. The formula was meant to be dissolved in water at the concentration of 9.0 g/L, giving a bath with pH = 1.5. It yielded a light gold color after 1 min, and a golden-brown film after 3 min. The average thickness ranged between 200 and 1000 nm. [6]
For a metal, zinc has relatively low melting (419.5 °C, 787.1 °F) and boiling points (907 °C, 1,665 °F). [8] Cadmium is similar in many respects to zinc but forms complex compounds. [ 16 ] Unlike other metals, cadmium is resistant to corrosion and as a result it is used as a protective layer when deposited on other metals.
Zamak 2, of a slightly different composition, was originally developed as a gravity-cast alloy with greater finished strength but was found to work well with spin-casting. Its extra copper content encourages the eutectic behaviour and gives a lower freezing point.
Toy road roller cast from zinc. Pot metal (or monkey metal) is an alloy of low-melting point metals that manufacturers use to make fast, inexpensive castings. The term "pot metal" came about because of automobile factories' practice in the early 20th century of gathering up non-ferrous metal scraps from the manufacturing processes and melting them in one pot to form into cast products.
ZA alloys make good bearings because their final composition includes hard eutectic zinc-aluminium-copper particles embedded in a softer zinc-aluminium matrix. The hard particles provide a low-friction bearing surface, while the softer material wears back to provide space for lubricant to flow, similar to Babbitt metal .
Kanthal (20–30% chromium, 4–7.5% aluminium); used in heating elements, including e-cigarettes Kovar ( nickel , cobalt ) Spiegeleisen ( manganese , carbon , silicon )
BVAg-30, Premabraze 680, Palcusil 5, PAL 5. Narrow melting range. For kovar and molybdenum-manganese seals, better wetting here than Cusil. 27: 68: 5: Ag 59 Cu 31 Pd 10: Ag–Cu 824/852 [75] – BVAg-31, Premabraze 580, Palcusil 10, PAL 10. (Ag 58 Cu 32 Pd 10?) Excellent for vacuum-tight joints. For brazing nickel, kovar, copper, and molybdenum ...