Article(id=1240631877866943348, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.01.030, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1724515200000, receivedDateStr=2024-08-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773719289509, onlineDateStr=2026-03-17, pubDate=1738339200000, pubDateStr=2025-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773719289509, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773719289509, creator=13701087609, updateTime=1773719289509, updator=13701087609, issue=Issue{id=1240631872800215183, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='1', pageStart='1', pageEnd='187', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773719288300, creator=13701087609, updateTime=1773724138257, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240652215052989235, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240652215052989236, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=160, endPage=165, ext={EN=ArticleExt(id=1240631878114407289, articleId=1240631877866943348, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Effect of Heat Treatment on Microstructure and Hardness of QAl11-6-6 Alloy Extruded Rod, columnId=1236276108207902848, journalTitle=Mining and Metallurgical Engineering, columnName=MATERIALS, runingTitle=null, highlight=null, articleAbstract=
The effect of heat treatment parameters on the microstructure and properties of QAl11-6-6 aluminum bronze alloy extruded rod was explored by performing orthogonal test, in combination with metallographic microscope, X-ray diffractometer, scanning electron microscope and hardness tester. The results show that the microstructure of extruded aluminum bronze alloy consists of α, κ (AlFe, AlFe3, AlNi), γ2, and the remaining β′ phases; the heat treatment including solid solution and aging can effectively improve the hardness of the alloy extruded rod; the influence of four process parameters on the hardness of the alloy is in the following descending order: aging time > aging temperature > solid solution time > solid solution temperature. The sample was quenched by water cooling after solid solution at 910 ℃ for 45 min, and then treated by aging at 450 ℃ for 150 min. The hardness of the alloy was increased to 40.1HRC from previous 33.4HRC in the extruded state, presenting obvious age hardening effect. It is found that precipitation of more martensite-like β' was the main reason for significant increase in hardness of the alloy after aging treatment.
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采用正交试验法,并结合金相显微镜、X射线衍射仪、扫描电镜和硬度计,研究了时效时间、时效温度、固溶时间、固溶温度等热处理参数对QAl11-6-6铝青铜合金挤压棒组织和性能的影响。结果表明:试验合金挤压态组织由α、κ(AlFe、AlFe3、AlNi)、γ2以及剩余的β′相组成;固溶+时效热处理可有效提高该合金挤压棒的硬度,4个热处理工艺参数对合金硬度的影响强弱顺序依次为:时效时间>时效温度>固溶时间>固溶温度。试样在910 ℃固溶45 min后采用水冷淬火,再经450 ℃×150 min时效处理,合金硬度由挤压态的33.4HRC提升到40.1HRC,呈现明显的时效硬化特性;较多的类马氏体β′相的析出是合金时效后硬度显著提高的主要原因。
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刘莹雪(1998—),女,内蒙古呼伦贝尔人,硕士研究生,主要研究方向为有色金属材料加工。E-mail:liuyingxue9897@163.com
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刘莹雪(1998—),女,内蒙古呼伦贝尔人,硕士研究生,主要研究方向为有色金属材料加工。E-mail:liuyingxue9897@163.com
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XRD pattern of an extruded rod, figureFileSmall=6bAKJWB8DNcQcCQlAwqnRA==, figureFileBig=8EeGe97cMdMLWRdVJSeTVw==, tableContent=null), ArticleFig(id=1240651350409801953, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图1, caption=
挤压态棒材XRD图谱, figureFileSmall=6bAKJWB8DNcQcCQlAwqnRA==, figureFileBig=8EeGe97cMdMLWRdVJSeTVw==, tableContent=null), ArticleFig(id=1240651350535631092, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.2, caption=
Cross-sectional structure of an extruded rod under metallographic microsilope, figureFileSmall=CEy/LQ5AvcLQ+RVCDU2uag==, figureFileBig=oOIbXIanEZmOEOL/xmXHUg==, tableContent=null), ArticleFig(id=1240651350636294400, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图2, caption=
挤压态棒材横截面金相显微组织, figureFileSmall=CEy/LQ5AvcLQ+RVCDU2uag==, figureFileBig=oOIbXIanEZmOEOL/xmXHUg==, tableContent=null), ArticleFig(id=1240651350795677973, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.3, caption=
Cross-sectional SEM image of an extruded rod, figureFileSmall=LIw08xOx/3IL1AnP1WPy8A==, figureFileBig=jV6QN5M7fLgyFB+w6frWWg==, tableContent=null), ArticleFig(id=1240651350921507110, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图3, caption=
挤压态棒材横截面扫描显微组织, figureFileSmall=LIw08xOx/3IL1AnP1WPy8A==, figureFileBig=jV6QN5M7fLgyFB+w6frWWg==, tableContent=null), ArticleFig(id=1240651351038947636, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.4, caption=
EDS analysis results of points in Figure 3, figureFileSmall=nSDHhvDwh8DauNYEMUNaFg==, figureFileBig=hbV5Z4dakwGCyyVoDypOUA==, tableContent=null), ArticleFig(id=1240651351168971078, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图4, caption=
图3中各特征点能谱分析结果(a)点1;(b)点2;(c)点3;(d)点4;(e)点5
, figureFileSmall=nSDHhvDwh8DauNYEMUNaFg==, figureFileBig=hbV5Z4dakwGCyyVoDypOUA==, tableContent=null), ArticleFig(id=1240651351353520477, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.5, caption=
Optical microstructures of typical alloys after different heat treatment, figureFileSmall=hmY++MUhVl96Zvf0q/DYkA==, figureFileBig=Cp5ZeLITTBRh/Bc1pLp8aA==, tableContent=null), ArticleFig(id=1240651351475155313, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图5, caption=
热处理状态下典型合金的金相显微组织(a)1#样品;(b)2#样品;(c)4#样品;(d)7#样品;(e)9#样品
, figureFileSmall=hmY++MUhVl96Zvf0q/DYkA==, figureFileBig=Cp5ZeLITTBRh/Bc1pLp8aA==, tableContent=null), ArticleFig(id=1240651351592595840, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.6, caption=
XRD patterns of typical alloys after different heat treatment and the partial enlarged view, figureFileSmall=Ee9EGX1WFWsRnX84w7oo+A==, figureFileBig=wmQVUlenq02AU4RyG1N1KQ==, tableContent=null), ArticleFig(id=1240651351693259154, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图6, caption=
热处理状态下典型合金的XRD图谱及局部放大图, figureFileSmall=Ee9EGX1WFWsRnX84w7oo+A==, figureFileBig=wmQVUlenq02AU4RyG1N1KQ==, tableContent=null), ArticleFig(id=1240651351852642727, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.7, caption=
Optical microstructure of alloy after solid solution, figureFileSmall=gnT8wyeGKGCwb8Pr+Z7Vww==, figureFileBig=DFMLlJkZdk1W38vTBZ95pg==, tableContent=null), ArticleFig(id=1240651351995249079, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图7, caption=
固溶态合金金相显微组织(a)910 ℃×45 min;(b)950 ℃×45 min;(c)950 ℃×60 min
, figureFileSmall=gnT8wyeGKGCwb8Pr+Z7Vww==, figureFileBig=DFMLlJkZdk1W38vTBZ95pg==, tableContent=null), ArticleFig(id=1240651352108495305, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.8, caption=
SEM microstructures of typical samples after different heat treatment, figureFileSmall=Di14J/a4AozRdI/BNuOPzQ==, figureFileBig=cZ23fHxC0k8yaBpAMUZDQQ==, tableContent=null), ArticleFig(id=1240651352263684574, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图8, caption=
热处理状态下典型合金的扫描显微组织(a)4#样品;(b)9#样品
, figureFileSmall=Di14J/a4AozRdI/BNuOPzQ==, figureFileBig=cZ23fHxC0k8yaBpAMUZDQQ==, tableContent=null), ArticleFig(id=1240651352360153579, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.9, caption=
Effect of temperature on hardness of aluminum bronze alloy, figureFileSmall=Y60TObfLxEPtn8w4MAravQ==, figureFileBig=E7ys3ygQ5UDbVu1tgXtEeQ==, tableContent=null), ArticleFig(id=1240651352511148541, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图9, caption=
温度对铝青铜合金硬度的影响(a)固溶温度;(b)时效温度
, figureFileSmall=Y60TObfLxEPtn8w4MAravQ==, figureFileBig=E7ys3ygQ5UDbVu1tgXtEeQ==, tableContent=null), ArticleFig(id=1240651352628589062, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Fig.10, caption=
Effect of time on hardness of aluminum bronze alloy, figureFileSmall=uudq5hyj+orypRZ9QrVSdw==, figureFileBig=tsjRoj1MjAG/rFDycmtK9Q==, tableContent=null), ArticleFig(id=1240651352762806812, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=图10, caption=
时间对铝青铜合金硬度的影响(a)固溶时间;(b)时效时间
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Chemical composition of QAl11-6-6 aluminum bronze
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | Al | Fe | Ni | Mn | Si | Pb | Cu |
|---|
| 实测值 | 10.80 | 6.07 | 5.70 | 0.52 | 0.11 | 0.01 | 余量 |
| 标准值 | 10.00~11.50 | 5.00~6.50 | 5.00~6.50 | ≤0.50 | ≤0.20 | ≤0.05 | 余量 |
), ArticleFig(id=1240651352997687860, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=表1, caption=
QAl11-6-6铝青铜化学成分(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | Al | Fe | Ni | Mn | Si | Pb | Cu |
|---|
| 实测值 | 10.80 | 6.07 | 5.70 | 0.52 | 0.11 | 0.01 | 余量 |
| 标准值 | 10.00~11.50 | 5.00~6.50 | 5.00~6.50 | ≤0.50 | ≤0.20 | ≤0.05 | 余量 |
), ArticleFig(id=1240651353115128384, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Table 2, caption=
L9(34) orthogonal test scheme
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| 水平 | 因素 |
|---|
| 固溶温度(A)/℃ | 固溶时间(B)/min | 时效温度(C)/℃ | 时效时间(D)/min |
|---|
| 1 | 860 | 45 | 400 | 90 |
| 2 | 910 | 60 | 450 | 120 |
| 3 | 950 | 90 | 500 | 150 |
), ArticleFig(id=1240651353257734733, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=表2, caption=
L9(34)正交试验方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | 因素 |
|---|
| 固溶温度(A)/℃ | 固溶时间(B)/min | 时效温度(C)/℃ | 时效时间(D)/min |
|---|
| 1 | 860 | 45 | 400 | 90 |
| 2 | 910 | 60 | 450 | 120 |
| 3 | 950 | 90 | 500 | 150 |
), ArticleFig(id=1240651353459061333, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=EN, label=Table 3, caption=
Results of orthogonal test
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| 试验编号 | A | B | C | D | 硬度(HRC) |
|---|
| 1 | 860 | 45 | 400 | 90 | 37.0 |
| 2 | 860 | 60 | 450 | 120 | 35.7 |
| 3 | 860 | 90 | 500 | 150 | 37.8 |
| 4 | 910 | 45 | 450 | 150 | 40.1 |
| 5 | 910 | 60 | 500 | 90 | 37.0 |
| 6 | 910 | 90 | 400 | 120 | 36.2 |
| 7 | 950 | 45 | 500 | 120 | 36.7 |
| 8 | 950 | 60 | 400 | 150 | 37.0 |
| 9 | 950 | 90 | 450 | 90 | 39.2 |
| H1j | 36.8 | 37.9 | 36.7 | 37.7 | |
| H2j | 37.8 | 36.6 | 38.3 | 36.2 | |
| H3j | 37.6 | 37.7 | 37.2 | 38.3 | |
| R | 0.9 | 1.4 | 1.6 | 2.1 | |
), ArticleFig(id=1240651353589084774, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631877866943348, language=CN, label=表3, caption=
正交试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验编号 | A | B | C | D | 硬度(HRC) |
|---|
| 1 | 860 | 45 | 400 | 90 | 37.0 |
| 2 | 860 | 60 | 450 | 120 | 35.7 |
| 3 | 860 | 90 | 500 | 150 | 37.8 |
| 4 | 910 | 45 | 450 | 150 | 40.1 |
| 5 | 910 | 60 | 500 | 90 | 37.0 |
| 6 | 910 | 90 | 400 | 120 | 36.2 |
| 7 | 950 | 45 | 500 | 120 | 36.7 |
| 8 | 950 | 60 | 400 | 150 | 37.0 |
| 9 | 950 | 90 | 450 | 90 | 39.2 |
| H1j | 36.8 | 37.9 | 36.7 | 37.7 | |
| H2j | 37.8 | 36.6 | 38.3 | 36.2 | |
| H3j | 37.6 | 37.7 | 37.2 | 38.3 | |
| R | 0.9 | 1.4 | 1.6 | 2.1 | |
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