Belt casting method of non-ferrous and light metals and apparatus therefor
一种铸造设备、金属的技术，应用在铸造带领域
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Embodiment 1
[0044] An aluminum alloy typically used for a typical aluminum iron silicon flake product (AA1145) was cast at a thickness of 10 mm on a 0.060 inch thick belt of AA5754 aluminum alloy in a double belt test rig. The belt is textured by applying abrasive tape to its surface to produce generally longitudinal grooves with a roughness of about 25 microinches Ra (surface roughness value (Ra ) is the arithmetic mean surface roughness). Comparative samples were also cast on heavily textured steel and lightly textured copper strips. Micrographs of the surface of the material cast on steel and aluminum strips are in Figure 4a with 4b A comparison is made in , and it appears that the strip ( Figure 4a ) produced a surface segregation layer on the product, while the aluminum alloy strip ( Figure 4b ) does not. Radiographs of the interior of the cast plate fabricated on copper and aluminum alloy strips are shown in the Figure 5a with 5b A comparison is made in , and it appears t...
Embodiment 2
[0046] An aluminum magnesium (AA5754) alloy typically used in automotive applications was cast at a thickness of 10 millimeters on a 0.060 inch thick strip of AA5754 aluminum alloy on a double belt test rig. The tape was textured as described in Example 1. Comparative samples were also cast on lightly textured copper tape. Casting on steel strip was not performed due to very poor surface quality when cast on such steel strip. The radiographs (radiographs in the thickness direction) of the interior of the cast plates cast on copper and aluminum alloy strips were at Figure 6a with 6b A comparison is made in , and it appears that ribbons made of copper ( Figure 6a ) causes shell deformation in the material (the extent that appears as a spot in the radiograph), while aluminum ( Figure 6b ) does not. The optical image is also made from the surfaces of the two castings and placed on the Figure 7a with 7b A comparison is made for boards fabricated on copper and aluminum st...
Embodiment 3
[0048]An aluminum magnesium silicon (AA6111 ) alloy, also typically used in automotive applications, was cast at a thickness of 10 millimeters on a 0.060 inch thick strip of AA5754 aluminum alloy on a double belt test rig. The tape was textured as described in Example 1. Comparative samples were also cast on lightly textured copper tape. Casting on steel strip was not carried out due to the generally poor surface quality when casting on such steel strip. The optical image is made from the surfaces of the two castings and placed on the Figure 8a with 8b A comparison is made for boards fabricated on copper and aluminum strips. Figure 8a shows that the surface quality resulting from the use of copper strip in this type of casting machine is still worse than Figure 8b Shown are the surface qualities resulting from the use of aluminum strips.
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Abstract
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