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Whether a component is produced through binder-jet additive manufacturing, metal injection molding or conventional press and sintering, lubricant removal continues to be one of the most common issues in sintering.
The application of ion/plasma nitriding to powder-metal (PM) products is recommended over the gas nitriding method. Ion/plasma nitriding results in surface hardening while gas nitriding causes unintended through-nitriding, making the treatment not suitable for a majority of engineering components made of PM.
Atlas Pressed Metals started construction on a 45,000-square-foot addition to its powdered-metal-component manufacturing plant in DuBois, Pa. The expansion, which is scheduled to be completed in October, will bring the facility to 100,000 square feet and allow for installation of larger-tonnage presses. Atlas’ on-site powdered-metal capabilities include sinter-hardening, machining, inspection and materials testing.
Sumitomo Electric Industries Ltd. acquired Keystone Powdered Metal Co., a Pennsylvania-based manufacturer of powder-metal components and assembly parts.
