Transactions of Nonferrous Metals Society of China最新文献_第5页

Achieving high-strength and high-damping Mg−Gd−Y−Zn−Zr−Nd alloy by regulating LPSO and β′ phases 通过调节LPSO和β′相制备高强度、高阻尼Mg - Gd - Y - Zn - Zr - Nd合金

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66736-1

Cong DANG, Jing-feng WANG, Jin-xing WANG, Di YU, Wen-xuan ZHENG, Chang-bing XU, Zi-hong WANG, Le FENG, Xian-hua CHEN, Fu-sheng PAN

{"title":"Achieving high-strength and high-damping Mg−Gd−Y−Zn−Zr−Nd alloy by regulating LPSO and β′ phases","authors":"Cong DANG, Jing-feng WANG, Jin-xing WANG, Di YU, Wen-xuan ZHENG, Chang-bing XU, Zi-hong WANG, Le FENG, Xian-hua CHEN, Fu-sheng PAN","doi":"10.1016/S1003-6326(24)66736-1","DOIUrl":"10.1016/S1003-6326(24)66736-1","url":null,"abstract":"<div><div>Suitable heat treatment processes were adopted to regulate the precipitation of the lamellar LPSO phase and <em>β′</em> phase in Mg−Gd−Y−Zn−Zr−Nd alloy. The effects of lamellar LPSO phase and <em>β′</em> phase on the mechanical properties and damping capacity of the alloy were studied systematically. Experimental results demonstrate that the lamellar LPSO phase is more conducive to dynamic recrystallization processes, leading to a high degree of recrystallization and a weak texture intensity, resulting in a higher plasticity and damping capacity. After aging treatment, the <em>β′</em> precipitates exhibit pronounced aging strengthening and increase the number of mobile interfaces, thus enhancing the strength and damping capacity at the same time. Through regulating lamellar LPSO and aged <em>β′</em> phase, the alloy achieves high strength and high damping capacity: ultimate tensile strength of 498 MPa, yield strength of 371 MPa and damping capacity of 0.02 at strain amplitude of 1×10<sup>−3</sup>.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1092-1108"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143867985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of extrusion ratio on microstructure and mechanical properties of AZ42 alloy sheet 挤压比对AZ42合金板材组织和力学性能的影响

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66737-3

Song-ke XIAO , Xiao-jie ZHOU , Gang ZENG , Hong-chao XIAO , Xin-kai KANG , Xian-zheng LU , Xiao-min CHEN , Jian ZHANG

{"title":"Effect of extrusion ratio on microstructure and mechanical properties of AZ42 alloy sheet","authors":"Song-ke XIAO , Xiao-jie ZHOU , Gang ZENG , Hong-chao XIAO , Xin-kai KANG , Xian-zheng LU , Xiao-min CHEN , Jian ZHANG","doi":"10.1016/S1003-6326(24)66737-3","DOIUrl":"10.1016/S1003-6326(24)66737-3","url":null,"abstract":"<div><div>The microstructure and mechanical properties of Mg−4.5Al−2.5Zn−0.3Mn−0.2Ca (wt.%, designated as AZ42) alloys in extruded (at extrusion ratios of 28, 20 and 11.5) and peak-aged states were investigated, by using optical microscopy, scanning electron microscopy, energy dispersive spectrometry and electron backscatter diffraction. The results show that extrusion produces a typical basal fiber texture and streamlines of second phases. All samples exhibit the lowest Schmid factor of basal slip (SF<sub>b</sub>) and the superior tensile yield strength (TYS) along extrusion direction (ED). The sample with extrusion ratio of 20 exhibits the largest average grain size, but the smallest SF<sub>b</sub> which compensates for the disadvantage of grain coarsening and maintains the strength. After being peak-aged at 175 °C for 48 h, the sample with the extrusion ratio of 20 shows the optimal TYS along all the directions, compared to the other samples. This hopes to provide useful information for optimizing the deformation parameters of the AZ42 alloys.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1109-1121"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143867986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of process parameters on microstructure and properties of Cu−Cr−Nb−Y alloy manufactured by laser powder bed fusion 工艺参数对激光粉末床熔合Cu−Cr−Nb−Y合金组织和性能的影响

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66744-0

Shu-peng YE, Zu-ming LIU, Ya-zhou ZHANG, Tao LIU, Dao-yan JIANG, Lei CHEN, Cai CHEN

{"title":"Influence of process parameters on microstructure and properties of Cu−Cr−Nb−Y alloy manufactured by laser powder bed fusion","authors":"Shu-peng YE, Zu-ming LIU, Ya-zhou ZHANG, Tao LIU, Dao-yan JIANG, Lei CHEN, Cai CHEN","doi":"10.1016/S1003-6326(24)66744-0","DOIUrl":"10.1016/S1003-6326(24)66744-0","url":null,"abstract":"<div><div>A novel Cu−4.8Cr−2.2Nb−0.15Y (at.%) alloy was fabricated by employing the laser powder bed fusion with different processing parameters. The influence of laser power (<em>P</em>), scanning speed (<em>v</em>), and laser linear energy density (<em>E</em><sub>l</sub>) on the defects, melt pool morphology, microstructure, and properties of the alloy was systematically investigated. The results show that the optimized process parameters for preparing Cu−Cr−Nb−Y alloy with relative density over 99.5% are <em>P</em>=300−350 W and <em>v</em>=650−800 mm/s, corresponding to <em>E</em><sub>l</sub>=0.375−0.538 J/mm. When <em>E</em><sub>l</sub> < 0.3 J/mm, increasing <em>P</em> or decreasing <em>v</em> can enhance the continuity and size of the melt pool, reduce the lack-of-fusion defects, and increase the relative density. However, excessively high <em>E</em><sub>l</sub> leads to a deeper melt pool, more keyholes, and reduced relative density. The grain size of the as-built Cu−Cr−Nb−Y alloy shows a bimodal distribution, with fine grains at the center and coarse grains at the edge of the melt pool. Increasing <em>P</em> or decreasing <em>v</em> increases the average grain size and 〈110〉 texture intensity. The alloy fabricated with <em>P</em>=350 W and <em>v</em>=800 mm/s displays the highest relative density of 99.82%. The yield strength, tensile strength, and elongation are (443±5) MPa, (699±4) MPa, and (17.1±0.7)%, respectively.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1212-1232"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Our journey in greenization of vanadium extraction from vanadium slag in China 中国钒渣提钒绿色化之旅

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66750-6

Jie CHENG , Hong-yi LI , Dai-bo GAO , Xin-mian CHEN , Dong HAI , Jiang DIAO , Bing XIE , Fu-sheng PAN

{"title":"Our journey in greenization of vanadium extraction from vanadium slag in China","authors":"Jie CHENG , Hong-yi LI , Dai-bo GAO , Xin-mian CHEN , Dong HAI , Jiang DIAO , Bing XIE , Fu-sheng PAN","doi":"10.1016/S1003-6326(24)66750-6","DOIUrl":"10.1016/S1003-6326(24)66750-6","url":null,"abstract":"<div><div>China is the world's largest producer of vanadium products, whose major vanadium resource is vanadium slag obtained by smelting vanadium−titanium magnetite ores. The vanadium extraction techniques from vanadium slag have progressed stepwise toward greenization during the past 30 years in China. This review has systematically summarized these developments and classified the developments into three stages. The early stage is the efficient vanadium extraction techniques such as the sodium roasting−water leaching technique. The developed stage is the clean vanadium extraction techniques including the calcification roasting−acid leaching technique and sub-molten salt technique. The advanced stage is the green vanadium extraction techniques, for example the magnesiation roasting−acid leaching technique. The mechanisms, advantages and disadvantages of industrially applied and literature reported vanadium extraction techniques in each development stage are elaborated from multiple perspectives. Finally, future development directions are pointed out, aiming to inspire green extraction technique of vanadium worldwide.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1306-1324"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-temperature fracture behavior of Ti−22Al−26Nb with different featured microstructures 不同特征组织Ti - 22Al - 26Nb的高温断裂行为

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66740-3

Yong-qiang ZHANG, Ke-min XUE, Miao MENG, Si-liang YAN, Ping LI

{"title":"High-temperature fracture behavior of Ti−22Al−26Nb with different featured microstructures","authors":"Yong-qiang ZHANG, Ke-min XUE, Miao MENG, Si-liang YAN, Ping LI","doi":"10.1016/S1003-6326(24)66740-3","DOIUrl":"10.1016/S1003-6326(24)66740-3","url":null,"abstract":"<div><div>The fracture behavior at high temperatures of the Ti−22Al−26Nb alloy, which features duplex lamellar, bimodal, and Widmanstätten structures, was studied. Samples of the alloy were prepared through compression deformation in the trans-phase region followed by subsequent heat treatment. The results indicate that at 650 °C, the fracture toughness of the Ti−22Al−26Nb alloy is increased by 41.7% compared to that with original microstructures. The content of the <em>B</em>2 phase significantly influences the inherent fracture toughness of the material, while the morphology and distribution of the precipitated phases primarily affect the tortuosity of the crack propagation path. Among the microstructural features, the morphology and geometric orientation of the lamellae most significantly impact the crack path; consequently, the Widmanstätten structure exhibits the most tortuous fracture path. Additionally, a predictive model for fracture toughness is developed, which effectively predicts the fracture toughness of Ti−22Al−26Nb alloys with various microstructures at 650 °C.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1155-1167"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lithium material flow analysis in international trade: A life cycle perspective 国际贸易中的锂材料流分析：生命周期视角

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66754-3

Zi-tao ZHANG , Yun QIN , Xin SUN

引用次数: 0

Microstructure evolution and mechanical properties of Mg−Gd−Zn alloy with and without LPSO phase processed by multi-directional forging 多向锻造含与不含LPSO相Mg - Gd - Zn合金的组织演变及力学性能

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66735-X

Jing-yi HUANG , Yao-ling LIU , Yu-xiang HAN , Ying-chun WAN , Chu-ming LIU , Zhi-yong CHEN

{"title":"Microstructure evolution and mechanical properties of Mg−Gd−Zn alloy with and without LPSO phase processed by multi-directional forging","authors":"Jing-yi HUANG , Yao-ling LIU , Yu-xiang HAN , Ying-chun WAN , Chu-ming LIU , Zhi-yong CHEN","doi":"10.1016/S1003-6326(24)66735-X","DOIUrl":"10.1016/S1003-6326(24)66735-X","url":null,"abstract":"<div><div>The homogenized Mg−5.6Gd−0.8Zn (wt.%) alloys were treated with water cooling and furnace cooling to obtain specimens without and with the 14H long-period stacking ordered (LPSO) phase. Subsequently, multi-directional forging (MDF) experiments were carried out. The microstructure and mechanical properties of different regions (the center, middle and edge regions) in the MDFed alloys were systematically investigated, and the effect of LPSO phase on them was discussed. The results show that the alloys in different regions undergo significant grain refinement during the MDF process. Inhomogeneous microstructures with different degrees of dynamic recrystallization (DRX) are formed, resulting in microhardness heterogeneity. The alloy with the LPSO phase has higher microstructure homogeneity, a higher degree of recrystallization, and better comprehensive mechanical properties than the alloy without the LPSO phase. The furnace-cooled alloy after 18 passes of MDF has the best comprehensive mechanical properties, with an ultimate compressive strength of 488 MPa, yield strength of 258 MPa, and fracture strain of 21.2%. DRX behavior is closely related to the LPSO phase and deformation temperature. The kinked LPSO phase can act as a potential nucleation site for DRX grains, while the fragmented LPSO phase promotes DRX nucleation through the particle-stimulated nucleation mechanism.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1075-1091"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selective flotation of ilmenite from titanaugite under weakly acidic pH conditions using 2-amino-1-propanol as novel depressant 以2-氨基-1-丙醇为新型抑制剂，在弱酸性条件下选择性浮选钛辉石中的钛铁矿

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-04-01 DOI: 10.1016/S1003-6326(24)66751-8

Chuan DAI , Pan CHEN , Yao-hui YANG , Wei SUN , Hong-bin WANG

{"title":"Selective flotation of ilmenite from titanaugite under weakly acidic pH conditions using 2-amino-1-propanol as novel depressant","authors":"Chuan DAI , Pan CHEN , Yao-hui YANG , Wei SUN , Hong-bin WANG","doi":"10.1016/S1003-6326(24)66751-8","DOIUrl":"10.1016/S1003-6326(24)66751-8","url":null,"abstract":"<div><div>The potential of 2-amino-1-propanol (AP) as a novel depressant in selectively floating ilmenite from titanaugite under weakly acidic conditions was investigated. Micro-flotation results show that AP significantly reduces the recovery of titanaugite while having no evident impact on ilmenite flotation. Subsequent bench-scale flotation tests further confirm a remarkable improvement in separation efficiency upon the introduction of AP. Contact angle and adsorption tests reveal a stronger affinity of AP towards the titanaugite surface in comparison to ilmenite. Zeta potential measurements and X-ray photoelectron spectroscopy (XPS) analyses exhibit favorable adsorption characteristics of AP on titanaugite, resulting from a synergy of electrostatic attraction and chemical interaction. In contrast, electrostatic repulsion hinders any significant interaction between AP and the ilmenite surface. These findings highlight the potential of AP as a highly efficient depressant for ilmenite flotation, paving the way for reduced reliance on sulfuric acid in the industry.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 4","pages":"Pages 1325-1337"},"PeriodicalIF":4.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143868117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of trace cerium addition on hot deformation behavior of ultrahigh-purity copper containing sulfur 微量铈对含硫超高纯铜热变形行为的影响

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-03-01 DOI: 10.1016/S1003-6326(24)66721-X

Ke-xing SONG , Yun-xiao HUA , Hai-tao LIU , Yan-min ZHANG , Chao-min ZHANG , Yan-jun ZHOU , Tao HUANG

引用次数: 0

Effect of pouring and mold temperatures on fluidity and hot tearing behavior of cast Al−Li−Cu−Mg−Sc−Zr−Ti alloy 浇注温度和模具温度对铸态Al - Li - Cu - Mg - Sc - Zr - Ti合金流动性和热撕裂行为的影响

IF 4.7 1区材料科学

Transactions of Nonferrous Metals Society of China Pub Date : 2025-03-01 DOI: 10.1016/S1003-6326(24)66707-5

Yi-xiao WANG , Guo-hua WU , Liang ZHANG , You-jie GUO , Xin TONG , Liang-bin LI , Xun-man XIONG

{"title":"Effect of pouring and mold temperatures on fluidity and hot tearing behavior of cast Al−Li−Cu−Mg−Sc−Zr−Ti alloy","authors":"Yi-xiao WANG , Guo-hua WU , Liang ZHANG , You-jie GUO , Xin TONG , Liang-bin LI , Xun-man XIONG","doi":"10.1016/S1003-6326(24)66707-5","DOIUrl":"10.1016/S1003-6326(24)66707-5","url":null,"abstract":"<div><div>The influence of pouring temperature and mold temperature on the fluidity and hot tearing behavior of Al−2Li−2Cu−0.5Mg−0.15Sc−0.1Zr−0.1Ti alloys was investigated by experimental investigation and simulation assessment. The results showed that the length of the spiral fluidity sample increases from 302 to 756 mm as the pouring temperature increases from 680 to 740 °C, and from 293 to 736 mm as the mold temperature increases from 200 to 400 °C. The hot tearing susceptibility (HTS) firstly decreases and then increases with increasing pouring and mold temperatures, which is mainly caused by the oxide inclusion originating from the high activity of Li at excessive pouring temperature. Excessive pouring and mold temperatures easily produce oxide inclusions and holes, leading to a reduction in fluidity and an increase in HTS of the alloy. Combining the experimental and simulation results, the optimized pouring and mold temperatures are ~720 °C and ~300 °C for the cast Al−Li alloy, respectively.</div></div>","PeriodicalId":23191,"journal":{"name":"Transactions of Nonferrous Metals Society of China","volume":"35 3","pages":"Pages 669-683"},"PeriodicalIF":4.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143842772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0