Article(id=1202253150897004594, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20220201, 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=1764569087957, onlineDateStr=2025-12-01, pubDate=1679241600000, pubDateStr=2023-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764569087957, onlineIssueDateStr=2025-12-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764569087957, creator=13701087609, updateTime=1764569087957, updator=13701087609, issue=Issue{id=1202253150423048242, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='3', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764569087844, creator=13701087609, updateTime=1764576244268, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202283166695387462, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202283166695387463, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202253150423048242, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=55, endPage=60, ext={EN=ArticleExt(id=1202253151144468532, articleId=1202253150897004594, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Study on Application Technologies of Hot Formed Steel with Thin Al-Si Coating, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The new thin Al-Si coating hot-formed steel has some advantages in automobile application, such as improving the properties of bending angle and so on with the tensile strength, yield strength and elongation rate remain unchanged. This article studied the application properties of 1 500 MPa hot-formed steel with thin Al-Si coating, including formability, welding property, corrosion property and adhesive property. The results show that the thin Al-Si coating has no effect on the formability, it improves the welding performance, while the corrosion resistance degrades slightly, however the overall performance meets design specification, and the adhesive property has no obvious change. Therefore, the batch application of hot formed steel with thin Al-Si coating on car body can be promoted.
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新型的薄铝硅镀层热成形钢在抗拉强度、屈服强度以及伸长率不变的情况提升了折弯角性能,在汽车应用中具有一定优势。对1 500 MPa薄铝硅镀层热成形钢进行了应用性能研究,包括成形性能、焊接性能、腐蚀性能、胶粘性能。结果显示,减薄铝硅镀层对成形性没有影响,提升了材料的焊接性能,腐蚀性能有所下降,但是总体满足设计要求,胶粘性能也无明显变化。因此,可以推进薄铝硅镀层热成形钢在车身上的批量应用。
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张民爱(1991—),男,工程师,博士学位,研究方向为汽车材料设计与应用。
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张民爱(1991—),男,工程师,博士学位,研究方向为汽车材料设计与应用。
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张民爱(1991—),男,工程师,博士学位,研究方向为汽车材料设计与应用。
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| C | Mn | Si | P | S | Al | B | Cr | Mo | Ti | N |
| 0.22 | 1.20 | 0.26 | 0.007 | 0.003 | 0.03 | 0.002 8 | 0.23 | 0.001 | 0.03 | 0.003 |
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化学成分(质量分数) %
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| C | Mn | Si | P | S | Al | B | Cr | Mo | Ti | N |
| 0.22 | 1.20 | 0.26 | 0.007 | 0.003 | 0.03 | 0.002 8 | 0.23 | 0.001 | 0.03 | 0.003 |
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| A80试样 | 方向/(°) | 屈服强度/MPa | 抗拉强度/MPa | 延伸率/% |
| 热冲压后 | 0 | 1 091 | 1 516 | 5 |
| 45 | 1 130 | 1 549 | 5 |
| 90 | 1 093 | 1 519 | 7 |
| 热冲压后+烘烤(170 ℃/20 min) | 0 | 1 234 | 1 513 | 7 |
| 45 | 1 222 | 1 531 | 8 |
| 90 | 1 218 | 1 504 | 7 |
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拉伸性能
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| A80试样 | 方向/(°) | 屈服强度/MPa | 抗拉强度/MPa | 延伸率/% |
| 热冲压后 | 0 | 1 091 | 1 516 | 5 |
| 45 | 1 130 | 1 549 | 5 |
| 90 | 1 093 | 1 519 | 7 |
| 热冲压后+烘烤(170 ℃/20 min) | 0 | 1 234 | 1 513 | 7 |
| 45 | 1 222 | 1 531 | 8 |
| 90 | 1 218 | 1 504 | 7 |
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| 测试方向 | 测试状态 | 弯曲角/(°) | 峰值力/N |
| 垂直于轧制方向 | 热冲压后+烘烤(170 ℃/20 min) | 58±1.9 | 9 806±146 |
| 平行于轧制方向 | 65±1.6 | 10 309±121 |
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弯曲角
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| 测试方向 | 测试状态 | 弯曲角/(°) | 峰值力/N |
| 垂直于轧制方向 | 热冲压后+烘烤(170 ℃/20 min) | 58±1.9 | 9 806±146 |
| 平行于轧制方向 | 65±1.6 | 10 309±121 |
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| 总时间/s | 状态 | 方向 | 厚度/mm | 屈服/MPa | 抗拉/MPa | 延伸率/% | 折弯角/(°) |
| 200 | 热冲压态 | 沿轧制方向 | 1.2 | 1 019 | 1 422 | 6.6 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 138 | 1 429 | 6.2 | 65.7 |
| 220 | 热冲压态 | 沿轧制方向 | 1.2 | 1 041 | 1 451 | 6.1 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 143 | 1 423 | 5 | 67.8 |
| 260 | 热冲压态 | 沿轧制方向 | 1.2 | 1 025 | 1 457 | 6.5 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 163 | 1 457 | 6.7 | 64.9 |
), ArticleFig(id=1202253162838188455, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253150897004594, language=CN, label=表4, caption=
零件成形性能
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| 总时间/s | 状态 | 方向 | 厚度/mm | 屈服/MPa | 抗拉/MPa | 延伸率/% | 折弯角/(°) |
| 200 | 热冲压态 | 沿轧制方向 | 1.2 | 1 019 | 1 422 | 6.6 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 138 | 1 429 | 6.2 | 65.7 |
| 220 | 热冲压态 | 沿轧制方向 | 1.2 | 1 041 | 1 451 | 6.1 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 143 | 1 423 | 5 | 67.8 |
| 260 | 热冲压态 | 沿轧制方向 | 1.2 | 1 025 | 1 457 | 6.5 | - |
| 烘烤态 | 沿轧制方向 | 1.2 | 1 163 | 1 457 | 6.7 | 64.9 |
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| 标号 | 剥离焊核尺寸 |
| 试样1 | 试样2 | 平均值 |
| A | 5.03 | 5.01 | 5.02 |
| B | 5.06 | 5.01 | 5.04 |
| C | 4.94 | 5.08 | 5.01 |
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焊核尺寸 mm
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| 标号 | 剥离焊核尺寸 |
| 试样1 | 试样2 | 平均值 |
| A | 5.03 | 5.01 | 5.02 |
| B | 5.06 | 5.01 | 5.04 |
| C | 4.94 | 5.08 | 5.01 |
), ArticleFig(id=1202253163135984044, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253150897004594, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 胶 | 烘烤条件 | 剪切强度/MPa |
| 减振胶 | 标准 | 170 ℃,20 min | 0.39 |
| 欠烘烤 | 160 ℃,20 min | 0.35 |
| 过烘烤 | 210 ℃,20 min | 0.32 |
| 结构胶 | 标准 | 170 ℃,20 min | 33.03 |
| 欠烘烤 | 160 ℃,20 min | 29.33 |
| 过烘烤 | 210 ℃,20 min | 32.85 |
| 点焊胶 | 标准 | 170 ℃,20 min | 0.48 |
| 欠烘烤 | 160 ℃,20 min | 0.45 |
| 过烘烤 | 210 ℃,20 min | 0.63 |
| 折边胶 | 标准 | 170 ℃,20 min | 27.08 |
| 欠烘烤 | 160 ℃,20 min | 28.21 |
| 过烘烤 | 210 ℃,20 min | 29.28 |
), ArticleFig(id=1202253163219870128, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202253150897004594, language=CN, label=表6, caption=
不同胶在不同烘烤条件下的剪切强度
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| 胶 | 烘烤条件 | 剪切强度/MPa |
| 减振胶 | 标准 | 170 ℃,20 min | 0.39 |
| 欠烘烤 | 160 ℃,20 min | 0.35 |
| 过烘烤 | 210 ℃,20 min | 0.32 |
| 结构胶 | 标准 | 170 ℃,20 min | 33.03 |
| 欠烘烤 | 160 ℃,20 min | 29.33 |
| 过烘烤 | 210 ℃,20 min | 32.85 |
| 点焊胶 | 标准 | 170 ℃,20 min | 0.48 |
| 欠烘烤 | 160 ℃,20 min | 0.45 |
| 过烘烤 | 210 ℃,20 min | 0.63 |
| 折边胶 | 标准 | 170 ℃,20 min | 27.08 |
| 欠烘烤 | 160 ℃,20 min | 28.21 |
| 过烘烤 | 210 ℃,20 min | 29.28 |
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