Article(id=1198265198046966520, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, articleNumber=1009-5438(2023)04-0001-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1677600000000, receivedDateStr=2023-03-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763618285904, onlineDateStr=2025-11-20, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763618285904, onlineIssueDateStr=2025-11-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763618285904, creator=13701087609, updateTime=1763618285904, updator=13701087609, issue=Issue{id=1198265193424847582, tenantId=1146029695717560320, journalId=1185652524569653253, year='2023', volume='49', issue='4', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763618284803, creator=13701087609, updateTime=1763621606301, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1198279124902047995, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1198279124902047996, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198265193424847582, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=5, ext={EN=ArticleExt(id=1198265198256681721, articleId=1198265198046966520, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Study on Properties of Rare Earth Microalloying Steel Plate BTP500, columnId=1187100783049851249, journalTitle=Science & Technology of Baotou Steel, columnName=Expert Forum, runingTitle=null, highlight=null, articleAbstract=

In this paper, the bending and bullet-proof properties of steel plate BTP500 are tested. The results of 90° folding test for steel plate BTP500 with thicknesses of 6 mm and 9 mm meet the requirements; the tensile strength of steel plate welded with ferritic welding wire is 100 MPa higher than that of the steel plate welded with austenitic welding wire through comparing the results of performance tests for steel plate BTP500 welded with ferritic welding wire and austenitic welding wire. The impact energy of the test plate welded with ferritic welding wire at -40 ℃ is 20~30 J and the weld test of steel plate BTP500 could meet the agreement requirements. With the penetration of bullet, both of the steel plates BTP500 with thicknesses of 6 mm and 9 mm by industrial trial production are not penetrated, which are with very good bullet-proof and anti-penetration properties as well as the bullet-proof property could meet the agreement requirements.

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文章对BTP500钢板的折弯和抗弹性能进行了检验和试验。厚度为6 mm、9 mm的BTP500钢板90°折弯试验结果满足要求;对比BTP500钢板分别采用铁素体焊丝和奥氏体焊丝焊接后的性能检测结果,采用铁素体焊丝焊接的钢板抗拉强度比采用奥氏体焊丝焊接的钢板高100 MPa以上。采用铁素体焊丝焊接的试板的-40 ℃冲击功为20~30 J,BTP500钢板焊接试验满足协议要求。在子弹侵彻时,工业化试制的6 mm、9 mm厚度的BTP500钢板均未被穿透,具有很好的防弹防侵彻能力,防弹性能满足协议要求。

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袁晓鸣(1983-),男,内蒙古包头市人,高级工程师,现从事宽厚板产品研发工作。

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袁晓鸣(1983-),男,内蒙古包头市人,高级工程师,现从事宽厚板产品研发工作。

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规格/mm 屈服强度Rp0.2/MPa 抗拉强度Rm/MPa 延伸率A/% 硬度(HBW) -40 ℃冲击吸收功/J
6 1 289 1 572 9.0 494 51.6
1 291 1 585 9.5 488 54.6
9 1 411 1 645 9.5 506 32.4
1 405 1 624 9.5 504 33.8
协议要求 ≥1 250 1 450~1 750 ≥8 480~540 ≥25
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试样的力学性能及要求

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规格/mm 屈服强度Rp0.2/MPa 抗拉强度Rm/MPa 延伸率A/% 硬度(HBW) -40 ℃冲击吸收功/J
6 1 289 1 572 9.0 494 51.6
1 291 1 585 9.5 488 54.6
9 1 411 1 645 9.5 506 32.4
1 405 1 624 9.5 504 33.8
协议要求 ≥1 250 1 450~1 750 ≥8 480~540 ≥25
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试板尺寸 板厚
/mm
弯曲半径
/mm
折弯角度
/(°)
试板数量
/块
1 800 mm×200 mm 6 30 90 3
9 45 90 3
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折弯试验参数

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试板尺寸 板厚
/mm
弯曲半径
/mm
折弯角度
/(°)
试板数量
/块
1 800 mm×200 mm 6 30 90 3
9 45 90 3
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编号 焊丝类别 焊丝型号 混合气体配比 焊接速度/(mm·min-1)
6A 奥氏体焊丝 H1Cr21Ni10Mn7Mo Ar∶CO2=95%∶5% 350~380
6T 铁素体焊丝 ER100 Ar∶CO2=80%∶20% 350~380
9A 奥氏体焊丝 H1Cr21Ni10Mn7Mo Ar∶CO2=95%∶5% 350~380
9T 铁素体焊丝 ER100 Ar∶CO2=80%∶20% 350~380
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焊接试验条件

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编号 焊丝类别 焊丝型号 混合气体配比 焊接速度/(mm·min-1)
6A 奥氏体焊丝 H1Cr21Ni10Mn7Mo Ar∶CO2=95%∶5% 350~380
6T 铁素体焊丝 ER100 Ar∶CO2=80%∶20% 350~380
9A 奥氏体焊丝 H1Cr21Ni10Mn7Mo Ar∶CO2=95%∶5% 350~380
9T 铁素体焊丝 ER100 Ar∶CO2=80%∶20% 350~380
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厚度规格
/mm
布氏硬度
(HBW)
弹速
/(m·s-1)
射距
/m
靶板法线角
/(°)
6 440~510 820~835 80 0
9 440~510 950~990 30 0
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抗弹试验条件

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厚度规格
/mm
布氏硬度
(HBW)
弹速
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射距
/m
靶板法线角
/(°)
6 440~510 820~835 80 0
9 440~510 950~990 30 0
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板厚
/mm
硬度
(HBW)
钢板
编号
弯曲半径
/mm
实际折弯
角度/(°)
6 488 6-1 30 100.9
6-2 90.0
6-3 102.5
6 494 6-4 30 100.0
6-5 97.2
6-6 105.0
9 506 9-1 45 95.0
9-2 95.0
9-3 94.0
9 504 9-4 45 94.0
9-5 93.0
9-6 95.0
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折弯试验结果

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板厚
/mm
硬度
(HBW)
钢板
编号
弯曲半径
/mm
实际折弯
角度/(°)
6 488 6-1 30 100.9
6-2 90.0
6-3 102.5
6 494 6-4 30 100.0
6-5 97.2
6-6 105.0
9 506 9-1 45 95.0
9-2 95.0
9-3 94.0
9 504 9-4 45 94.0
9-5 93.0
9-6 95.0
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焊接方法 厚度/mm 表面裂纹率 断面裂纹率
富氩混合气体
保护焊
6 0 0
9 0 0
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焊接试验结果

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焊接方法 厚度/mm 表面裂纹率 断面裂纹率
富氩混合气体
保护焊
6 0 0
9 0 0
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厚度/mm 编号 Rm/MPa KV2(-40 )/J 备注
6 6A 745 46 冲击试样尺寸5 mm×10 mm×55 mm
6T 946 26 冲击试样尺寸5 mm×10 mm×55 mm
9 9A 820 90 冲击试样尺寸7.5 mm×10 mm×55 mm
9T 988 30 冲击试样尺寸7.5 mm×10 mm×55 mm
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焊接试样力学性能结果

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厚度/mm 编号 Rm/MPa KV2(-40 )/J 备注
6 6A 745 46 冲击试样尺寸5 mm×10 mm×55 mm
6T 946 26 冲击试样尺寸5 mm×10 mm×55 mm
9 9A 820 90 冲击试样尺寸7.5 mm×10 mm×55 mm
9T 988 30 冲击试样尺寸7.5 mm×10 mm×55 mm
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厚度规格/mm 靶板编号 损伤评定结果
6 1# 合格
9 1# 合格
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打靶结果

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厚度规格/mm 靶板编号 损伤评定结果
6 1# 合格
9 1# 合格
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稀土微合金化钢板BTP500性能研究
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袁晓鸣 1 , 刘泽田 2 , 董丽丽 1 , 白海瑞 1
包钢科技 | 专家论坛 2023,49(4): 1-5
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包钢科技 | 专家论坛 2023, 49(4): 1-5
稀土微合金化钢板BTP500性能研究
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袁晓鸣1, 刘泽田2, 董丽丽1, 白海瑞1
作者信息
  • 1 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
  • 2 河北工业大学材料科学与工程学院,天津 300130
  • 袁晓鸣(1983-),男,内蒙古包头市人,高级工程师,现从事宽厚板产品研发工作。

Study on Properties of Rare Earth Microalloying Steel Plate BTP500
Xiao-ming Yuan1, Ze-tian Liu2, Li-li Dong1, Hai-rui Bai1
Affiliations
  • 1 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2 School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
出版时间: 2023-08-25
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文章对BTP500钢板的折弯和抗弹性能进行了检验和试验。厚度为6 mm、9 mm的BTP500钢板90°折弯试验结果满足要求;对比BTP500钢板分别采用铁素体焊丝和奥氏体焊丝焊接后的性能检测结果,采用铁素体焊丝焊接的钢板抗拉强度比采用奥氏体焊丝焊接的钢板高100 MPa以上。采用铁素体焊丝焊接的试板的-40 ℃冲击功为20~30 J,BTP500钢板焊接试验满足协议要求。在子弹侵彻时,工业化试制的6 mm、9 mm厚度的BTP500钢板均未被穿透,具有很好的防弹防侵彻能力,防弹性能满足协议要求。

稀土  /  微合金化  /  焊接  /  折弯试验  /  抗弹性能

In this paper, the bending and bullet-proof properties of steel plate BTP500 are tested. The results of 90° folding test for steel plate BTP500 with thicknesses of 6 mm and 9 mm meet the requirements; the tensile strength of steel plate welded with ferritic welding wire is 100 MPa higher than that of the steel plate welded with austenitic welding wire through comparing the results of performance tests for steel plate BTP500 welded with ferritic welding wire and austenitic welding wire. The impact energy of the test plate welded with ferritic welding wire at -40 ℃ is 20~30 J and the weld test of steel plate BTP500 could meet the agreement requirements. With the penetration of bullet, both of the steel plates BTP500 with thicknesses of 6 mm and 9 mm by industrial trial production are not penetrated, which are with very good bullet-proof and anti-penetration properties as well as the bullet-proof property could meet the agreement requirements.

rare earth  /  microalloying  /  weld  /  folding test  /  bullet-proof property
袁晓鸣, 刘泽田, 董丽丽, 白海瑞. 稀土微合金化钢板BTP500性能研究. 包钢科技, 2023 , 49 (4) : 1 -5 .
Xiao-ming Yuan, Ze-tian Liu, Li-li Dong, Hai-rui Bai. Study on Properties of Rare Earth Microalloying Steel Plate BTP500[J]. Science & Technology of Baotou Steel, 2023 , 49 (4) : 1 -5 .
装甲车辆最为重要的指标就是其防护性能,因此装甲车辆所采用的防护钢板的抗弹性能尤为关键[1-2]。目前针对装甲防护钢板力学性能和抗弹性能的研究主要集中在钢板的硬度与抗弹性能的关系[3-5]。防护用钢板想要获得理想的防弹性能,应注重防护用钢板的硬度与韧性的良好匹配。防护钢板钢质的洁净度、热轧、退火各阶段钢板显微组织和力学性能均匀性等众多因素都会在一定程度上影响钢板的性能[6-7]
包钢股份利用包钢特有的稀土资源优势,成功开发出满足用户需求的高性能稀土微合金化BTP500装甲防护钢板。为全面评价BTP500钢板的各项性能指标,本文以其为研究对象,在完成常规力学性能检测的基础上,选取6 mm、9 mm厚度钢板分别检测其加工性能、焊接性能以及抗弹性能,并对焊接性能、抗弹性能等进行评价。
高性能稀土微合金化BTP500钢板生产工艺流程为铁水预处理→转炉顶底复吹冶炼→LF炉外精炼→RH真空脱气→板坯连铸→堆垛缓冷→板坯加热→除鳞→粗轧轧制→精轧轧制→ACC冷却→矫直→探伤→精整→钢板表面质量检查→表面抛丸→热处理→取样检验→成品入库。
试样(板)取自2 250 mm宽厚板生产线生产的厚度6 mm、9 mm的钢板,试验项目包括折弯、焊接、抗弹等。试板的常规力学性能结果见表1
当高性能稀土微合金化BTP500钢板发货到用户后,用户需要对热轧BTP500防护钢板进行冷成形加工。冷成形加工过程中,要考虑BTP500钢板的回弹等影响。钢板强度越高,其回弹越大。特别要注意的是,BTP500钢板的最小折弯直径不能小于技术协议中双方商定的冷弯直径。BTP500钢板折弯时,最小折弯半径应不小于板材厚度的5倍。高性能稀土微合金化BTP500钢板折弯试验参数见表2
高性能稀土微合金化BTP500钢板采用常用的焊接方法进行焊接。一般选择焊接材料时,推荐使用奥氏体焊丝材料焊接。如果焊接接头强度是重要的性能要求时,也可以采用强度较高的铁素体焊接材料。本文分别对6 mm、9 mm厚钢板采用铁素体焊丝和奥氏体焊丝两种材料进行焊接工艺试验。焊接试验结束后对焊接板进行焊接试板拉伸、焊接试板弯曲、焊接试板冲击性能等检测。同时开展钢板对接接头焊接裂纹试验。焊接采用富氩混合气体保护焊,试验参数见表3
高性能稀土微合金化BTP500钢板最重要的使用性能就是抗弹性能。按照协议要求,6 mm厚BTP500钢板采用53式7.62 mm手枪进行抗弹试验,9 mm厚BTP500钢板采用53式7.62 mm测速工作枪进行抗弹试验。抗弹试验参数见表4
高性能稀土微合金化BTP500钢板折弯试验的结果如表5图1所示。
表5图1显示的折弯试验结果看出,厚度为6 mm的高性能稀土微合金化BTP500钢板在弯曲半径为30 mm(d=5a)时的实际折弯角度范围为90.0°~105.0°,厚度为9 mm钢板在弯曲半径为45 mm(d=5a)时折弯角度范围为93.0°~95.0°,折弯处均无裂纹产生。
高性能稀土微合金化BTP500钢板焊接试验的结果如表6表7所示。
表6表7可见,采用铁素体焊丝焊接后,试板抗拉强度达到900 MPa以上,比奥氏体焊丝焊接试板抗拉强度高100 MPa以上。铁素体焊丝焊接试板的-40 ℃冲击吸收功为26~30 J。
高性能稀土微合金化BTP500钢板抗弹性能检验结果如表8所示。由表8可见,6 mm、9 mm厚BTP500钢板抗弹性能均满足防护协议要求。不同厚度的BTP500钢板打靶试验的结果如图2图3所示。
图2为6 mm厚的BTP500钢板的冲击面照片,从图2中可以看出BTP500钢板在受到子弹冲击后在钢板表面留下了较深的弹痕。对冲击面弹痕深度进行测量,深度约5 mm左右,子弹均未穿透BTP500钢板,满足协议对于防弹性能的要求。
图3为9 mm厚的BTP500钢板的冲击面照片,从图3中可以看出9 mm厚的BTP500钢板在受到子弹冲击后,在冲击面留下的弹痕的深度约为3 mm,与6 mm厚度的BTP500钢板相比,9 mm厚的钢板冲击面弹痕要小很多,说明9 mm厚的BTP500钢板耐侵彻能力更强。
综合打靶损伤评定结果和冲击面弹痕分析可知,在子弹侵彻时,工业化试制的6 mm、9 mm厚度的高性能稀土微合金化BTP500钢板均未被穿透。6 mm、9 mm厚度的高性能稀土微合金化BTP500钢板具有很好的防弹防侵彻能力,防弹性能满足协议要求。
(1)厚度为6 mm的高性能稀土微合金化BTP500钢板在弯曲半径为30 mm下折弯角度为90.0°~105.0°,厚度为9 mm BTP500钢板在弯曲半径为45 mm下折弯角度为93.0°~95.0°,满足折弯试验指标要求。
(2)采用与现有车辆相同的铁素体焊丝焊接后比奥氏体焊丝焊接试板抗拉强度高100 MPa以上。铁素体焊丝焊接试板的-40 ℃冲击功为26~30 J。高性能稀土微合金化BTP500钢板焊接试验满足协议要求。
(3)在子弹侵彻时,工业化试制的6 mm、9 mm厚度的高性能稀土微合金化BTP500钢板均未被穿透。6 mm、9 mm厚度的高性能稀土微合金化BTP500钢板具有很好的防弹防侵彻能力,防弹性能满足协议要求。
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  • 接收时间:2023-03-01
  • 首发时间:2025-11-20
  • 出版时间:2023-08-25
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    1 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
    2 河北工业大学材料科学与工程学院,天津 300130
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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