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In this paper, we focus on providing an overview of research at the intersection of AM techniques and FGM objects. We specifically discuss FGM modeling representation schemes and outline a classification system to classify existing FGM representation methods. We also highlight the key aspects such as the part orientation, slicing, and path planning processes that are essential for fabricating FGM object through the use of multimaterial AM techniques.<\/jats:p>","DOI":"10.1115\/1.4039683","type":"journal-article","created":{"date-parts":[[2018,3,23]],"date-time":"2018-03-23T19:39:41Z","timestamp":1521833981000},"update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":118,"title":["Additive Manufacturing of Functionally Graded Material Objects: A Review"],"prefix":"10.1115","volume":"18","author":[{"given":"Binbin","family":"Zhang","sequence":"first","affiliation":[{"name":"Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY 14260 e-mail:"}]},{"given":"Prakhar","family":"Jaiswal","sequence":"additional","affiliation":[{"name":"Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY 14260 e-mail:"}]},{"given":"Rahul","family":"Rai","sequence":"additional","affiliation":[{"name":"Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY 14260 e-mail:"}]},{"given":"Saigopal","family":"Nelaturi","sequence":"additional","affiliation":[{"name":"Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA 94304 e-mail:"}]}],"member":"33","published-online":{"date-parts":[[2018,7,3]]},"reference":[{"issue":"9","key":"2019100314304644900_bib1","doi-asserted-by":"publisher","first-page":"541","DOI":"10.1016\/S0010-4485(99)00051-2","article-title":"A Framework for Object Modeling","volume":"31","year":"1999","journal-title":"Comput.-Aided Des."},{"issue":"9","key":"2019100314304644900_bib2","doi-asserted-by":"publisher","first-page":"2183","DOI":"10.1007\/BF01184560","article-title":"Modelling Studies Applied to Functionally Graded Materials","volume":"30","year":"1995","journal-title":"J. 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