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Potential automotive uses of wrought magnesium alloys
| 题名： | Potential automotive uses of wrought magnesium alloys |
| 作者： | Stodolsky, F.;Wu, S.;Cuenca, R.;Gaines, L.; |
| 关键词： | 33 ADVANCED PROPULSION SYSTEMS ;36 MATERIALS SCIENCE ; AUTOMOBILES; WEIGHT; MATERIALS; MAGNESIUM; FABRICATION; MAGNESIUM ALLOYS; FUEL CONSUMPTION; COST; MATERIALS WORKING |
| 摘要： | Vehicle weight reduction is one of the major means available to improve automotive fuel efficiency. High-strength steels, aluminum (Al), and polymers are already being used to reduce weight significantly, but substantial additional reductions could be achieved by greater use of low-density magnesium (Mg) and its alloys. Mg alloys are currently used in relatively small quantities for auto parts, generally limited to die castings (e.g., housings). Argonne National Laboratory`s Center for Transportation Research has performed a study for the Lightweight Materials Program within DOE`s Office of Transportation Materials to evaluate the suitability of wrought Mg and its alloys to replace steel/aluminum for automotive structural and sheet applications. Mg sheet could be used in body nonstructural and semi-structural applications, while extrusions could be used in such structural applications as spaceframes. This study identifies high cost as the major barrier to greatly increased Mg use in autos. Two technical R and D areas, novel reduction technology and better hot-forming technology, could enable major cost reductions. |
| 总页数： | 6p |
| 报告类型： | 科技报告 |
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