Key parameters for low temperature warm compaction of high density iron-based P/M materials
摘要
In order to reduce powder temperature to lower than 100 ℃ in warm compaction by changing polymer lubricant design, powder flowability, warm compacting behavior, lubricating mode as well as ultimate tensile strength after sinter-hardening and tempering were investigated systematically. By means of low temperature warm pressing and sintered hardening technique, samples with the sintered densities of 7.40-7.45 g/cm3 and the strengths of 950-1 390 MPa are achieved as the early compacting pressure is 686-735 MPa.
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曹顺华, 林信平, 李炯义, 等. Key parameters for low temperature warm compaction of high density iron-based P/M materials[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.
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