Combined macro-meso scale modeling of sintering. Part I: Continuum approach
Conference
·
OSTI ID:756162
An integrated approach, including a continuum theory of sintering and mesostructure evolution analysis, is used for the solution of the problem of bi-layered structure sintering. Two types of bi-layered structures are considered: layers of the same material different by initial porosity, and layers of two different materials. The effective sintering stress and the normalized bulk modulus for the bi-layer powder sintering are derived based on mesoscale simulations. The combined effect of the layers' porosity and differences in sintering rate on shrinkage and warpage is studied for both sintering on a rigid substrate and free sintering.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 756162
- Report Number(s):
- SAND2000-1305C; TRN: AH200022%%156
- Resource Relation:
- Conference: Recent Developments in Computer Modeling of Powder Metallurgy Processes, Kiev (UA), 05/15/2000--05/18/2000; Other Information: PBD: 23 May 2000
- Country of Publication:
- United States
- Language:
- English
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