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Investigation of Conventional- and Induction-Sintered Iron and Iron-Based Powder Metal Compacts

机译:常规和感应烧结铁及铁基粉末金属压块的研究

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Induction sintering was developed as an alternative method to conventional sintering to sinter iron-based powder metal (PM) compacts. Several compositions of compact such as pure iron, 3 wt.% copper mixed iron, or 3 wt.% bronze mixed iron were sintered by using induction sintering machines with 12 kW power and 30 kHz frequency. The mechanical properties, microstruc-tural properties, densities, and microhardness values were investigated for both processes. Iron-based PM compacts sintered at 1120°C by induction in 8.33 min (500 s) were found to be similar to those sintered conventionally in 30 min. The results were compared with the experimental studies.
机译:开发了感应烧结作为传统烧结的替代方法,以烧结铁基粉末金属(PM)压块。通过使用具有12 kW功率和30 kHz频率的感应烧结机,烧结几种压块组成,例如纯铁,3 wt%的铜混合铁或3 wt%的铜混合铁。研究了两种工艺的机械性能,显微结构性能,密度和显微硬度值。发现在8.33分钟(500 s)中通过感应在1120°C下烧结的铁基PM压块与在30分钟内常规烧结的铁基PM压块相似。将结果与实验研究进行比较。

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