Effect of titanium on microstructure and fluidity of Al–B4C composites
Source abstract
Abstract
The effect of Ti on the interfacial reactions, microstructural characteristics, and the related fluidity of Al–12%B4C composites has been investigated. Without Ti addition, B4C decomposed heavily during holding, and a large quantity of reaction-induced compounds, Al3BC and AlB2, was generated. When Ti was added, a TiB2 layer was built surrounding B4C particle surfaces, which acted as a diffusion barrier to separate B4C from liquid aluminum. Thus, the decomposition of B4C slowed down remarkably. The fluidity of the composite without Ti was the shortest of all composites and deteriorated quickly during the holding time. The fluidity of the composite melt was improved significantly with increased Ti levels. The optimum Ti level for the best fluidity results lied between 1.0 and 1.5%. The solid particle volume and the particle agglomeration are the two main factors influencing the fluidity.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (22)
Show source-provided references
1. Chen X-G (2006) In: Gupta N, Hunt WH (eds) Proceedings of TMS (2006), symposium on Solidification process of metal matrix composites, San Antonio, March 2006, p 343
2. Chen X-G, Hark R (2008) In: Yin W, Das SK (eds) Proceedings of TMS (2008), Symposium on Aluminum alloys: fabrication, characterization and applications, New Orleans, p 3
3. Kennedy AR (2002) J Mater Sci 37:317. doi: 10.1023/A:101360032859910.1023/A:1013600328599 ↗
4. Lloyd DJ (1997) In: Mallick PK (ed) Composites engineering handbook. Marcel Dekker, Inc, New York, p 631
5. Chawla KK (2005) In: Cahn RW, Haasen P, Kramer EJ (eds) Materials science and technology, vol 13/14. Wiley-VCH, Weinheim, p 137
6. Chen X-G (2005) In: Schlesinger ME (eds) EPD Congress 2005, TMS 2005, San Francisco, p 101
7. Lloyd DJ, Lagacé HP, Mcleod AD (1990) In: Ishida H (ed) Controlled interphases in composite materials. Elsevier Science Publishing Co. Inc, New York, p 362
8. Viala JC, Bouix J, Gonzalez G, Esnouf C (1997) J Mater Sci 32:4559. doi: 10.1023/A:101862540210310.1023/A:1018625402103 ↗
9. Shorowordi KM, Laoui T, Haseeb ASMA, Celis JP, Froyen L (2003) J Mater Proc Technol 142:73810.1016/S0924-0136(03)00815-X ↗
10. Fortin JY, Sheehy J, Jean C, Brisson P, Harnisch U, Doutre D, Chen X-G (2009) US Patent US 7,572,692 B2, 21 July 2009
11. Kennedy AR, Brampton B (2001) Scripta Mater 44:107710.1016/S1359-6462(01)00658-3 ↗
12. Zhang Z, Chen X-G, Charette A (2007) J Mater Sci 42:7354. doi: 10.1007/s10853-007-1554-510.1007/s10853-007-1554-5 ↗
13. Zhang Z, Chen X-G, Charette A (2009) J Mater Sci 44:492. doi: 10.1007/s10853-008-3097-910.1007/s10853-008-3097-9 ↗
14. Flemings MC (1974) Solidification processing. McGraw-Hill Book Company, New York, p 219
15. Compbell J (1999) Casting. Butterworth Heinemanth, Oxford, p 75
16. Yarandi FM, Rohatgi PK, Ray S (1993) J Mater Eng Perform 2(3):35910.1007/BF02648823 ↗
17. Rohatgi P, Asthana R (2001) JOM 53(9):910.1007/s11837-001-0060-5 ↗
18. Surappa MK, Rohatgi PK (1981) Metall Mater Trans B 12B:32710.1007/BF02654466 ↗
19. Kolsgaard A, Brusethaug S (1994) Mater Sci Technol 10:54510.1179/mst.1994.10.6.545 ↗
20. Ravi VA, Frydrych DJ, Nagelberg AS (1994) AFS Trans 102:891
21. Ravi KR, Pillai RM, Pai BC, Chakraborty M (2007) Metall Mater Trans A 38:253110.1007/s11661-007-9308-1 ↗
22. Gokhale AM (2004) In: Voort G (ed) ASM handbook, vol 9. The Materials Information Company, Materials Park, p 428