Clean manufacturing of Ti-6Al-4V under CO2-snow and hybrid nanofluids
نویسندگان
چکیده
منابع مشابه
Fatigue of Ti-6Al-4V
Metallic biomaterials have essentially three fields of use; these are the artificial hip joints, screw, plates and nails for internal fixation of fractures, and dental implants. Any of these devices must support high mechanical load and resistance of material against breakage is essential. High mechanical properties are needed for structural efficiency of surgical and dental implants. But their...
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Parts or products from high performance metal are very expensive, partly due to the processing complexities during manufacturing. Recent studies have indicated that hybrid processes of additive manufacturing and machining process can be used to repair titanium parts, thus extending the service life. In order to implement these methods automatically, it is necessary to obtain the spatial geometr...
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The present work was conducted as part of a larger America Makes funded project to begin to examine the effects of changes in process variables on the resulting microstructure and fracture and fatigue behavior of as-deposited Ti-6Al-4V. In addition to presenting initial results on process mapping of the electron beam powder bed process, the present work also documents the location-dependent pro...
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The microstructure and mechanical behavior of simple product geometries produced by layered manufacturing using the electron beam melting (EBM) process and the selective laser melting (SLM) process are compared with those characteristic of conventional wrought and cast products of Ti-6Al-4V. Microstructures are characterized utilizing optical metallography (OM), scanning electron microscopy (SE...
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Defects during Plasma Transfer Arc (PTA) beam fusion additive manufacturing (AM) processing of Ti-6Al-4V, including lack of fusion, porosity variations, and solidification cracking, have been monitored using near infrared (1.62 μm) imagery at 300 Hz, 300 μm spatial resolution and melt pool sizes of greater than 12μ. The temperature evolution exhibits a periodic temperature modulation of more th...
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ژورنال
عنوان ژورنال: Procedia Manufacturing
سال: 2020
ISSN: 2351-9789
DOI: 10.1016/j.promfg.2020.05.029