Article(id=1200101616411050909, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200101614263567250, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20230316, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764056122161, onlineDateStr=2025-11-25, pubDate=1717516800000, pubDateStr=2024-06-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764056122161, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764056122161, creator=13701087609, updateTime=1764056122161, updator=13701087609, issue=Issue{id=1200101614263567250, tenantId=1146029695717560320, journalId=1189645257101713411, year='2024', volume='', issue='6', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764056121650, creator=13701087609, updateTime=1764225035080, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200810088593215990, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200101614263567250, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200810088593215991, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200101614263567250, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=52, endPage=57, ext={EN=ArticleExt(id=1200101616662709154, articleId=1200101616411050909, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Challenges of Aluminum Alloy Large Integrated Die-casting Structures Application, columnId=null, journalTitle=Automotive Digest, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The integrated die-casting technology for new energy vehicles has led the innovation in vehicle manufacturing processes. To address the dual objectives of vehicle lightweighting and cost control in new energy vehicles, the crucial role of aluminum alloy materials in the process of automobile lightweighting is elaborated. It dissects the principles, benefits, and drawbacks of the integrated die-casting process, alongside its current adoption in both domestic and international contexts. The paper also delves into the technological challenges in material development and process innovation within integrated die-casting. Additionally, feasible suggestions for the development and application of integrated die-casting technology are put forward, aiming to promote the widespread application of aluminum alloy materials in automobile manufacturing and provide powerful references for the lightweight, energy-saving, and environmentally friendly development of the autombile industry.
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新能源汽车一体化压铸技术引领了造车工艺的革新。为了满足新能源汽车对整车轻量化及成本控制的双重需求,阐述了铝合金材料在汽车轻量化进程中的关键作用,分析了铝合金一体化压铸工艺的原理、优劣势及其国内外应用现状,探讨了一体化压铸技术在材料开发和工艺技术方面所面临的挑战,并针对一体化压铸技术发展与应用提出可行性建议,旨在推动铝合金材料在汽车制造中的广泛应用,为汽车行业的轻量化、节能化和环保化提供有力参考。
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| 材料 | 密度 /g·cm-3 | 抗拉强度/MPa | 拉伸模量/GPa | 延伸率/% | 成本 /万元·t-1 |
| 高强钢 | 7.9 | 1 200 | 210 | 16 | 0.7~1.2 |
| 铝合金 | 2.7 | 420 | 70 | 12 | 1.8~2.5 |
| 镁合金 | 1.8 | 220 | 45 | 8 | 2.5~3.2 |
| 碳纤维复合材料 | 1.6 | 1 760 | 130 | 2 | 20~30 |
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轻量化材料性能与成本对比
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| 材料 | 密度 /g·cm-3 | 抗拉强度/MPa | 拉伸模量/GPa | 延伸率/% | 成本 /万元·t-1 |
| 高强钢 | 7.9 | 1 200 | 210 | 16 | 0.7~1.2 |
| 铝合金 | 2.7 | 420 | 70 | 12 | 1.8~2.5 |
| 镁合金 | 1.8 | 220 | 45 | 8 | 2.5~3.2 |
| 碳纤维复合材料 | 1.6 | 1 760 | 130 | 2 | 20~30 |
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| 用铝系统 | 模块 | 最大用铝量/kg | 整车质量占比/% | 价格区间/元 |
| 底盘及悬挂系统 | 副车架 | 26 | 2.4 | 2 000~ 6 000 |
| 控制臂 | 10 | 1.0 |
| 转向节 | 10 | 1.0 |
| 车轮和制动器 | 车轮 | 27 | 2.5 | 1 500~ 2 000 |
| 制动器 | 10 | 1.0 |
| 电池系统 | 电池包 | 42 | 3.9 | >2 000 |
| 传动系统 | 传动系统 | 15 | 1.4 | 600~800 |
| 热交换系统 | 热交换器 | 8 | 0.7 | 500~600 |
| 隔热罩 | 5 | 0.4 |
| 车身结构件 | 白车身(覆盖件除外) | 124 | 11.6 | >6 000 |
| 车身外覆盖件 | 车顶和行李箱盖 | 9 | 0.8 | >3 000 |
| 引擎盖 | 9 | 0.9 |
| 翼子板 | 7 | 0.7 |
| 前后车门 | 34 | 3.2 |
| 仪表板横梁 | 5 | 0.4 |
| 保险杠 | 保险杠和吸能盒 | 10 | 1.0 | 500~600 |
| 其他 | 其他 | 12 | 1.1 | 500~600 |
| 合计 | | 362 | 34 | 约20 000 |
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乘用车平均最大可用铝量及价值量评估表[3]
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| 用铝系统 | 模块 | 最大用铝量/kg | 整车质量占比/% | 价格区间/元 |
| 底盘及悬挂系统 | 副车架 | 26 | 2.4 | 2 000~ 6 000 |
| 控制臂 | 10 | 1.0 |
| 转向节 | 10 | 1.0 |
| 车轮和制动器 | 车轮 | 27 | 2.5 | 1 500~ 2 000 |
| 制动器 | 10 | 1.0 |
| 电池系统 | 电池包 | 42 | 3.9 | >2 000 |
| 传动系统 | 传动系统 | 15 | 1.4 | 600~800 |
| 热交换系统 | 热交换器 | 8 | 0.7 | 500~600 |
| 隔热罩 | 5 | 0.4 |
| 车身结构件 | 白车身(覆盖件除外) | 124 | 11.6 | >6 000 |
| 车身外覆盖件 | 车顶和行李箱盖 | 9 | 0.8 | >3 000 |
| 引擎盖 | 9 | 0.9 |
| 翼子板 | 7 | 0.7 |
| 前后车门 | 34 | 3.2 |
| 仪表板横梁 | 5 | 0.4 |
| 保险杠 | 保险杠和吸能盒 | 10 | 1.0 | 500~600 |
| 其他 | 其他 | 12 | 1.1 | 500~600 |
| 合计 | | 362 | 34 | 约20 000 |
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| Model Y后地板 | 传统冲焊工艺 | 一体化压铸工艺 |
| 零部件数量/个 | 70 | 1 |
| 焊接点数/个 | 700~800 | 50 |
| 生产耗时/min | 60~120 | 3~5 |
| 匹配调试 | 3轮,6个月 | 1~2轮,节省2~4个月 |
| 生产线 | 多条焊接产线 | 一台压铸机 |
| 工厂面积 | — | 减少35% |
| 人工数量/人 | 200~300 | 20~30 |
| 材料回收利用率/% | 60~70 | >95 |
), ArticleFig(id=1200501508145017730, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200101616411050909, language=CN, label=表3, caption=
一体化压铸工艺与传统冲焊工艺差异对比
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| Model Y后地板 | 传统冲焊工艺 | 一体化压铸工艺 |
| 零部件数量/个 | 70 | 1 |
| 焊接点数/个 | 700~800 | 50 |
| 生产耗时/min | 60~120 | 3~5 |
| 匹配调试 | 3轮,6个月 | 1~2轮,节省2~4个月 |
| 生产线 | 多条焊接产线 | 一台压铸机 |
| 工厂面积 | — | 减少35% |
| 人工数量/人 | 200~300 | 20~30 |
| 材料回收利用率/% | 60~70 | >95 |
), ArticleFig(id=1200501508237292422, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200101616411050909, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 开发公司 | 专利名称 | 申请号 |
| 广东鸿图 | 一种免热处理高强韧压铸铝合金及其制备方法与制品 | 202310223358.X |
| 北京车和家 | 一种免热处理高强韧压铸铝合金及其制备方法 | 202210418545.9 |
| 蔚来汽车 | 铝合金以及采用其制备的零部件 | 202210176143.2 |
| 立中集团 | 一种高韧性、高铸造性能免热处理铝合金受力构件材料及其制备方法 | 202210977083.4 |
), ArticleFig(id=1200501508316984201, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200101616411050909, language=CN, label=表4, caption=
免热处理材料发明专利
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开发公司 | 专利名称 | 申请号 |
| 广东鸿图 | 一种免热处理高强韧压铸铝合金及其制备方法与制品 | 202310223358.X |
| 北京车和家 | 一种免热处理高强韧压铸铝合金及其制备方法 | 202210418545.9 |
| 蔚来汽车 | 铝合金以及采用其制备的零部件 | 202210176143.2 |
| 立中集团 | 一种高韧性、高铸造性能免热处理铝合金受力构件材料及其制备方法 | 202210977083.4 |
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