Phase segregation in semisolid powder processing of micro-features

TMS Annual Meeting

Volumn 3, Issue , 2009, Pages 123-129

  Kim, Gap Yong ^a   Wu, Yufeng ^a   Anderson, Iver ^a,b   Lograsso, Thomas ^b  

^a Iowa State University of Science and Technology   (United States)

^b IOWA STATE UNIVERSITY   (United States)

Author keywords

Microforming; Phase segregation; Semisolid forming

Indexed keywords

EXTRUSION EXPERIMENTS; LIQUID PHASE; METALLIC POWDER; MICRO PART; MICRO-MANUFACTURING; MICROFEATURES; MICROFORMING; MICROSCALE FEATURES; MICROSTRUCTURAL ANALYSIS; MUSHY STATE; NET-SHAPE; PHASE SEGREGATION; PHASE SEGREGATIONS; POWDER PROCESSING; RESEARCH RESULTS; SEMI-SOLID STATE; SEMISOLID FORMING;

FUNCTIONAL ELECTRIC STIMULATION; PHASE SEPARATION; SEGREGATION (METALLOGRAPHY); SWITCHING FUNCTIONS; THREE DIMENSIONAL;

POWDERS;

EID: 70349471125     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (20)

1. Vollertsen, F., Schulze Niehoff, H., Hu, Z., 2006, "State of the art in micro forming", International Journal of Machine Tools and Manufacture, 46(11), pp. 1172-1179.
2. Kim, G.-Y., Ni, J., Mayor, R., Kim, H., 2007, "An experimental investigation on semi-solid forming of micro/meso-scale features", Journal of Manufacturing Science and Engineering, Transactions of the ASME, 129(2), pp. 246-251.
3. Kim, G.-Y., Koc, M., Mayor, R., Ni, J., 2007, "Modeling of the semi-solid material behavior and analysis of micro-/mesoscale feature forming", Journal of Manufacturing Science and Engineering, Transactions of the ASME, 129(2), pp. 237-245.
4. Steinhoff, K., Weidig, U., Weikert, J., 2004, "Micro semi-solid manufacturing - A new technological approach towards miniaturisation", Steel Research International, 75(8-9), pp. 611-619.
5. Zu, L., Luo, S., 2001, "Study on the powder mixing and semi-solid extrusion forming process of SiCp/2024Al composites", Journal of Materials Processing Technology, 114(3), pp. 189-193.
6. Hamilton, R. W., Zhu, Z., Dashwood, R. J., Lee, P. D., 2003, "Direct semi-solid forming of a powder SiC-Al PMMC: Flow analysis", Composites Part A: Applied Science and Manufacturing, 34(4), pp. 333-339.
7. Luo, S., Cheng, Y., Du, Z., 2005, "Ceramics matrix composites thixoforming in pseudo-semi-solid state and the preliminary experimental study", Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research, 19(1), pp. 107-112.
8. Chen, C. M., Yang, C. C., Chao, C. G., 2004, "Thixocasting of hypereutectic Al-25Si-2.5Cu-1Mg-0.5Mn alloys using densified powder compacts", Materials Science and Engineering A, 366(1), pp. 183-194.
9. Luo, S.-J., Cheng, Y.-S., Wang, P.-X., 2006, "Pseudo-semi-solid thixoforging of cup shell with A1/A12O3", Transactions of Nonferrous Metals Society of China (English Edition), 16(4), pp. 772-775.
10. El Wakil, S. D., 1992, "Extrusion of P/M composites in the semi-solid state", International Journal of Powder Metallurgy (Princeton, New Jersey), 28(2), pp. 175-182.
11. Chen, C. M., Yang, C. C., Chao, C. G., 2005, "A novel method for net-shape forming of hypereutectic Al-Si alloys by thixocasting with powder preforms", Journal of Materials Processing Technology, 167(1), pp. 103-109.
12. Chen, C. M., Yang, C. C., Chao, C. G., 2005, "Dry sliding wear behaviors of Al-25Si-2.5Cu-1Mg alloys prepared by powder thixocasting", Materials Science and Engineering A, 397(1-2), pp. 178-189.
13. Mola, J., Aashuri, H., Amirkhiz, B. S., 2007, "Characterisation of phase segregation during back extrusion of ZA27 semisolid alloy", Materials Science and Technology, 23(1), pp. 113-118.
14. Nicolli, L. C., Martin, C. L., Mo, A., Ludwig, O., 2006, "Macrosegregation caused by deformation of the mushy zone", Trans Tech Publications Ltd, Stafa-Zuerich, CH-8712, Switzerland, Miskolc-Lillafuered, Hungary, 508, pp. 187-192.
15. Basner, T., Pehlke, R., Sachdev, A., 2000, "Thin-wall back extrusion of partially remelted semi-solid Sn-Pb", Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 31(1), pp. 57-62.
16. Vieira, E. A., Ferrante, M., 2005, "Prediction of rheological behaviour and segregation susceptibility of semi-solid aluminium-silicon alloys by a simple back extrusion test", Acta Materialia, 53(20), pp. 5379-5386.
17. Nicolli, L. C., Mo, A., M'Hamdi, M., 2005, "Modeling of macrosegregation caused by volumetric deformation in a coherent mushy zone", Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 36 A(2), pp. 433-442.
18. Saha, D., Apelian, D., Dasgupta, R., 2004, "SSM processing of hypereutectic Al-Si alloys-An overview", Worcester Polytechnic Institute, Worcester, MA 01609-2280, United States, Limassol, Cyprus, pp. 855-864.
19. Kottcamp, E. H., ASM Handbook, vol 3, 1992.
20. Loue, W. R., Suery, M., Querbes, J. L., 1993, "Microstructure and rheology of partially remelted AlSi-alloys", Publ by Minerals, Metals & Materials Soc (TMS), Warrendale, PA, USA, Cambridge, MA, USA, pp. 266-275.