{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:53:54Z","timestamp":1787028834697,"version":"build-2736575974"},"reference-count":42,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2023,4,6]],"date-time":"2023-04-06T00:00:00Z","timestamp":1680739200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100019069","name":"Key Project of the Chinese Academy of Engineering","doi-asserted-by":"publisher","award":["2019-XZ-11"],"award-info":[{"award-number":["2019-XZ-11"]}],"id":[{"id":"10.13039\/501100019069","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100019069","name":"Key Project of the Chinese Academy of Engineering","doi-asserted-by":"publisher","award":["HKDNM201907"],"award-info":[{"award-number":["HKDNM201907"]}],"id":[{"id":"10.13039\/501100019069","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Open Fund of National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials of China","award":["2019-XZ-11"],"award-info":[{"award-number":["2019-XZ-11"]}]},{"name":"the Open Fund of National Joint Engineering Research Center for Abrasion Control and Molding of Metal Materials of China","award":["HKDNM201907"],"award-info":[{"award-number":["HKDNM201907"]}]},{"name":"the Independent Project of State Key Laboratory of Powder Metallurgy","award":["2019-XZ-11"],"award-info":[{"award-number":["2019-XZ-11"]}]},{"name":"the Independent Project of State Key Laboratory of Powder Metallurgy","award":["HKDNM201907"],"award-info":[{"award-number":["HKDNM201907"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The fabrication of high-performance copper alloys by selective laser melting (SLM) is challenging, and establishing relationships between the process parameters and microstructures is necessary. In this study, Cu\u2013Cr\u2013Nb\u2013Ti alloy is manufactured by SLM, and the microstructures of the alloy are investigated by X-ray diffraction (XRD), scanning electron microscope (SEM), and electron backscatter diffraction (EBSD). The effects of processing parameters such as laser power and scanning speed on the relative density, defects, microstructures, mechanical properties, and electrical conductivity of the Cu\u2013Cr\u2013Nb\u2013Ti alloy are studied. The optimal processing window for fabricating Cu\u2013Cr\u2013Nb\u2013Ti alloy by SLM is determined. Face-centered cubic (FCC) Cu diffraction peaks shifting to small angles are observed, and there are no diffraction peaks related to the second phase. The grains of XY planes have a bimodal distribution with an average grain size of 24\u201355 \u03bcm. Fine second phases with sizes of less than 50 nm are obtained. The microhardness, tensile strength, and elongation of the Cu\u2013Cr\u2013Nb\u2013Ti alloy manufactured using the optimum processing parameters, laser power of 325 W and scanning speed of 800 mm\/s, are 139 HV0.2, 416 MPa, and 27.8%, respectively, and the electrical conductivity is 15.6% IACS (International Annealed Copper Standard). This study provides a feasible scheme for preparing copper alloys with excellent performance and complex geometries.<\/jats:p>","DOI":"10.3390\/ma16072912","type":"journal-article","created":{"date-parts":[[2023,4,6]],"date-time":"2023-04-06T03:59:55Z","timestamp":1680753595000},"page":"2912","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Effect of Process Parameters on the Microstructure and Properties of Cu\u2013Cr\u2013Nb\u2013Ti Alloy Manufactured by Selective Laser Melting"],"prefix":"10.3390","volume":"16","author":[{"given":"Jian","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zuming","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huan","family":"Zhou","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shupeng","family":"Ye","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yazhou","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daoyan","family":"Jiang","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Runxing","family":"Zhou","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,4,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1016\/0921-5093(93)90611-H","article-title":"Microstructural evolution and thermal stability of precipitation-strengthened Cu-8Cr-4Nb alloy","volume":"169","author":"Anderson","year":"1993","journal-title":"Mater. 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