Paster type support and preparation method thereof
A patch-type and annealing technology, applied in the field of materials, can solve the problems of high production cost and high cost of patch-type brackets
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[0039] The present invention also provides a method for preparing a patch-type stent, comprising the following steps:
[0040] S110: melting each component of the patch-type stent described in any one of the above embodiments at a high temperature to obtain a raw material solution.
[0041] For example, the patch-type stent includes the following components by mass: C: 3.2-4.6 parts; Mn: 17-21 parts; P: 9.1-10.8 parts; S: 3.4-4.9 parts; Al: 57 Servings ~ 68 servings. As another example, the patch-type stent includes the following components by mass: C: 3.8-4.2 parts; Mn: 18.4-19.7 parts; P: 9.7-10.2 parts; S: 3.8-4.1 parts; Al: 59 to 62 copies. For another example, the patch-type stent includes the following components by mass: C: 4 parts; Mn: 19 parts; P: 10 parts; S: 4 parts; Al: 61 parts.
[0042] In this embodiment, the temperature for high-temperature melting is 650°C-750°C. For another example, the temperature for high-temperature melting is 660°C-700°C. For another e...
Embodiment 1
[0055] 4 parts by mass of C, 19 parts by mass of Mn, 10 parts by mass of P, 4 parts by mass of S, and 63 parts by mass of Al are melted at high temperature to obtain raw materials liquid.
[0056] The raw material solution is poured to obtain a steel ingot of a patch type stent.
[0057] Perform annealing and rolling operation on the patch-type bracket steel ingot to obtain a patch-type steel plate, wherein the annealing-rolling operation sequentially includes a first annealing-rolling operation, a second annealing-rolling operation, and a third annealing-rolling operation, and the first annealing-rolling operation The calendering operation is performed at an annealing temperature of 290°C, the second annealing-calendering operation is performed at an annealing temperature of 205°C, and the third annealing-calendering operation is performed at an annealing temperature of 140°C.
[0058] A slitting machine is used to cut the patch-type steel plate to obtain a strip-shaped stee...
Embodiment 2
[0060] The C that is 3.2 parts by mass, the Mn that is 17 parts by mass, the P that is 9.1 parts by mass, the S that is 3.4 parts by mass, and the Al components that are 60 parts by mass are melted at high temperature to obtain raw materials liquid.
[0061] The raw material solution is poured to obtain a steel ingot of a patch type stent.
[0062] Perform annealing and rolling operation on the patch-type bracket steel ingot to obtain a patch-type steel plate, wherein the annealing-rolling operation sequentially includes a first annealing-rolling operation, a second annealing-rolling operation, and a third annealing-rolling operation, and the first annealing-rolling operation The calendering operation is performed at an annealing temperature of 300°C, the second annealing-calendering operation is performed at an annealing temperature of 208°C, and the third annealing-calendering operation is performed at an annealing temperature of 145°C.
[0063] A slitting machine is used t...
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Abstract
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