2015
DOI: 10.1557/jmr.2015.326
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Processing of Al–12Si–TNM composites by selective laser melting and evaluation of compressive and wear properties

Abstract: Al-12Si (80 vol%)-Ti 52.4 Al 42.2 Nb 4.4 Mo 0.9 B 0.06 (at.%) (TNM) composites were successfully produced by the selective laser melting (SLM). Detailed structural and microstructural analysis shows the formation of the Al 6 MoTi intermetallic phase due to the reaction of the TNM reinforcement with the Al-12Si matrix during SLM. Compression tests reveal that the composites exhibit significantly improved properties (;140 and ;160 MPa higher yield and ultimate compressive strengths, respectively) compared with t… Show more

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Cited by 108 publications
(30 citation statements)
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“…The wear track of the sample observed by SEM is shown in Figure 7. The wear track of the sample (Figure 7) shows the presence of wear scars along the sliding direction typical for a wear surface and the presence of ploughing grooves and delamination at certain regions similar to that reported in References [39][40][41][42]. The process of coating wear was accompanied by cracking of the coating.…”
Section: Resultssupporting
confidence: 68%
“…The wear track of the sample observed by SEM is shown in Figure 7. The wear track of the sample (Figure 7) shows the presence of wear scars along the sliding direction typical for a wear surface and the presence of ploughing grooves and delamination at certain regions similar to that reported in References [39][40][41][42]. The process of coating wear was accompanied by cracking of the coating.…”
Section: Resultssupporting
confidence: 68%
“…The wear tracks of the composites show the presence of typical wear features including wear scars, ploughing grooves, and delamination. The composites with (80-100 µm) particle size show shallow ploughing grooves along with the presence of some delamination cracks (Figure 4a), which are formed at the surface of the sample in contact with the counter disc due to high strain levels developed during the wear test [33][34][35]. The samples of 40-80 µm particles size (seen in Figure 4b) also show a similar nature of wear surface but ploughing groves are not clearly visible.…”
Section: Resultsmentioning
confidence: 95%
“…where W a is the abrasion wear rate (mm 3 /Nm), ∆G is mass loss (g), d is density (g/mm 3 ), M is the applied load (N), and S is the sliding distance (m) [39,40].…”
Section: Methodsmentioning
confidence: 99%