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Briquetting is a continuous compaction process to transform loose powders into solid briquettes. The density and strength of formed briquettes vary significantly in the process, affecting the quality of products. This work presented a numerical modelling of briquetting based on Finite Element Method (FEM), focusing on the evolutions of briquette st...
Graphite/aluminum metal matrix composite (MMC) joints are successfully fabricated by friction stir spot welding (FSSW). During lap-joining processes of aluminum alloy sheets by FSSW, graphite/water colloid is applied between the tool shoulder and the upper plate. The Raman spectrum of the FSSW joint confirms that graphite/aluminum MMC is successful...
Mechanical properties and failure behaviors of friction stir spot welded (FSSW) joints of two dissimilar ferrous alloys, cold-rolled carbon steel (SPCC) and 409L stainless steel (SUS 409L), are investigated under opening-dominant combined loads. The texture of dissimilar FSSW joints depends on the upper sheet material. The failure contours for the...
Joining process and failure behaviours of friction stir spot welded (FSSW) joints of two dissimilar ferrous alloys, cold rolled carbon steel (SPCC) and 409L stainless steel (SUS 409L), were investigated. Spot joints with four different material combinations were successfully fabricated by the FSSW process. The failure behaviours of the joints were...
Spot joints of ferritic 409L stainless steel are successfully fabricated by friction stir spot welding (FSSW) using a convex shoulder tool. The welding process, microstructure and failure of the FSSW joint are investigated experimentally. During the FSSW process, the Z-force history shows significant variations depending on the contact phenomena be...
1. To draw XY plot of Relative density Vs Stress on the punch while doing a model of die compaction of iron ore powders. Actually which one I would select from history output of XY plot for relative density as X axis and Stress on punch as Y axis.
2. How can I calculate relative density from the plastic strain magnitude?