Fatigue‐life prediction of additively manufactured material: Effects of heat treatment and build orientation

Autor: Alaa Elwany, Aref Yadollahi, Haley Doude, Mohamad Mahmoudi, James C. Newman, Linkan Bian

Publikováno v: Fatigue & Fracture of Engineering Materials & Structures. 43:831-844

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf695b72c53ae9520b7d4aa2cb51bc93
https://doi.org/10.1111/ffe.13200

Assessing printability maps in additive manufacturing of metal alloys

Autor: Hans Jürgen Maier, Xueqin Huang, Raiyan Seede, Ibrahim Karaman, Alaa Elwany, Luke Johnson, Bing Zhang, Janine Tatjana Maier, Raymundo Arroyave, Mohamad Mahmoudi

Publikováno v: Johnson, L, Mahmoudi, M, Zhang, B, Seede, R, Huang, X, Maier, J T, Maier, H J, Karaman, I, Elwany, A & Arróyave, R 2019, ' Assessing Printability Maps in Additive Manufacturing of Metal Alloys ' Acta Materialia, vol 176, pp. 199-210 . DOI: 10.1016/j.actamat.2019.07.005
Johnson, L, Mahmoudi, M, Zhang, B, Seede, R, Huang, X, Maier, J T, Maier, H J, Karaman, I, Elwany, A & Arróyave, R 2019, ' Assessing Printability Maps in Additive Manufacturing of Metal Alloys ', Acta Materialia, vol. 176, pp. 199-210 . https://doi.org/10.1016/j.actamat.2019.07.005

We propose a methodology for predicting the printability of an alloy, subject to laser powder bed fusion additive manufacturing. Regions in the process space associated with keyhole formation, balling, and lack of fusion are assumed to be strong func

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db961bf19b891e8fa49420dc8dcd04b4
https://doi.org/10.1016/j.actamat.2019.07.005

A Delay Time Model With Multiple Defect Types and Multiple Inspection Methods

Autor: Alaa Elwany, Mohammad Reza Gholamian, Mohamad Mahmoudi, Kamran Shahanaghi

Publikováno v: IEEE Transactions on Reliability. 66:1073-1084

We develop delay time models to determine optimal inspection policies for deteriorating infrastructures. We consider the case where complex infrastructures can fail due to different causes (defects) originating from various environmental or operation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d6ca921f377bf36d11b7c8ca1cb2044
https://doi.org/10.1109/tr.2017.2754519

Influences of energy density on microstructure and consolidation of selective laser melted bismuth telluride thermoelectric powder

Autor: Michael J. Carter, A. El-Desouky, Saniya LeBlanc, Mohamad Mahmoudi, Alaa Elwany

Publikováno v: Journal of Manufacturing Processes. 25:411-417

Selective laser melting is a well-established additive manufacturing technique for metals and ceramics, and there is significant interest in expanding the manufacturing capability of this technique by enabling processing of more materials. Notably, s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::533730666ff3ec071005190d2d3eec07
https://doi.org/10.1016/j.jmapro.2016.12.008

Assessing Printability Maps in Additive Manufacturing of Metal Alloys

Autor: Mohamad Mahmoudi, Ibrahim Karaman, Janine Tatjana Maier, Alaa Elwany, Hans Jürgen Maier, Raiyan Seede, Raymundo Arroyave, Luke Johnson, Bing Zhang

Publikováno v: SSRN Electronic Journal.

We propose a methodology for predicting the printability of an alloy, subject to laser powder bed fusion additive manufacturing. Regions in the process space associated with keyhole formation, balling, and lack of fusion are assumed to be strong func

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aeabe1b22ccc9eb154d460c4a74b1622
https://doi.org/10.2139/ssrn.3358841