Effects of build orientation and inclined features on physical, microstructural and mechanical properties of powder bed fusion additively manufactured metallic parts
Ivan Aiza , Chiara Baldi , Federico Matías de la Vega , Sara Sebastiani , Niccolò Enrico Veronese , Mohammad Yousefi , Mohammad Hossein Mosallanejad , Erfan Maleki , Mario Guagliano , Luca Iuliano , Abdollah Saboori , Sara Bagherifard
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引用次数: 0
Abstract
In Additive Manufacturing (AM), parts are normally fabricated along the direction perpendicular to the build plate. However, the main axis of the part may differ from this direction, leading to the concept of “build orientation” that is an essential aspect in Design for AM (DfAM). Build orientation defines the required support structures, that in turn affects build time, material waste, and part’s surface and mechanical properties. The present paper reviews the literature, focusing on the most utilized Powder Bed Fusion (PBF) techniques in metal AM. The findings are categorized based on properties affected by build orientation. First, manufacturability, geometrical accuracy, surface roughness, and porosity are reviewed. Then microstructural analysis, mechanical properties such as hardness, tensile strength, fatigue strength and fracture toughness are explored, followed by wear and corrosion properties. Consistent attention is given to studies describing the effects of build orientation on efficiency and applicability of post-processing techniques. Critical discussion of results highlights build orientation as a major factor to be considered in design and evaluation of PBF. In addition, prospects for the field are outlined, including the necessity of creating DfAM guidelines regarding build orientation, for which the current work is intended to serve as a starting point.
期刊介绍:
Progress in Materials Science is a journal that publishes authoritative and critical reviews of recent advances in the science of materials. The focus of the journal is on the fundamental aspects of materials science, particularly those concerning microstructure and nanostructure and their relationship to properties. Emphasis is also placed on the thermodynamics, kinetics, mechanisms, and modeling of processes within materials, as well as the understanding of material properties in engineering and other applications.
The journal welcomes reviews from authors who are active leaders in the field of materials science and have a strong scientific track record. Materials of interest include metallic, ceramic, polymeric, biological, medical, and composite materials in all forms.
Manuscripts submitted to Progress in Materials Science are generally longer than those found in other research journals. While the focus is on invited reviews, interested authors may submit a proposal for consideration. Non-invited manuscripts are required to be preceded by the submission of a proposal. Authors publishing in Progress in Materials Science have the option to publish their research via subscription or open access. Open access publication requires the author or research funder to meet a publication fee (APC).
Abstracting and indexing services for Progress in Materials Science include Current Contents, Science Citation Index Expanded, Materials Science Citation Index, Chemical Abstracts, Engineering Index, INSPEC, and Scopus.