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2
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20
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1
Bu çalışmada, toz metalürjisi yöntemi ile farklı oranlarda molibden ilave edilerek üretilen 17-4 PH paslanmaz çelik alaşımların mikro yapı ve korozyon davranışları incelenmiştir. Hazırlanan alaşım tozlar soğuk preslenerek (800 MPa) ham kompaktlar üretilmiştir. Üretilen ham kompaktlar 10-6 milibar vakumda 1300 °C’de 1 saat sinterlenerek, fırın ortamında oda sıcaklığına soğutulmuştur. Üretilen numuneler taramalı elektron mikroskobu (SEM+EDS), X-ışını kırınımı (XRD), yoğunluk ve sertlik ölçümleri ile incelenmiştir. Yapılan çalışmalar sonucunda, 17-4 PH paslanmaz çeliğin yoğunluklarının artan Mo miktarı ile birlikte arttığı, sertliklerinin ise azaldığı belirlenmiştir. 0000-0001-6542-8567
This study studied the micro-structure and corrosion behaviors of 17-4 PH stainless steel alloys produced by adding molybs in different proportions by the powder metallurgy method. The prepared alloy powder is produced by cold pressing (800 MPa) raw compact. The raw compacts produced are synthesized at 1 hour at 1300 °C in a 10-6 millibar vacuum, cooled at room temperature in the oven environment. Produced samples have been studied with scanned electron microscope (SEM+EDS), X-ray breakdown (XRD), intensity and hardness measurements. The results of the studies have found that the intensity of 17-4 PH stainless steel increased along with the increased amount of Mo, and its hardness decreased. 0000-0001-6542-8567
In this study, corrosion behaviour of 17-4 PH stainless steel alloys was investigated which were produced by powder metallurgy method by adding molybdenum at different amounts. Prepared alloy powders were cold pressing (800 MPa) to produce green compacts. Produced green compacts were sintered in 10–6 mbar vacuum at 1300 °C for 1 h and cooled down to room temperature in the furnace. Sintered components were examined by scanning electron microscopy (SEM + EDS), X-ray diffraction (XRD), and density and hardness measurements. As a result of the studies, it was determined that density of 17-4 PH stainless steels increased with increasing Mo amount and the hardness decreased with the addition of amount of Mo.
Alan : Fen Bilimleri ve Matematik; Mühendislik
Dergi Türü : Ulusal
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