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Alejandro H. Espera
Researcher at Case Western Reserve University
Publications - 17
Citations - 1484
Alejandro H. Espera is an academic researcher from Case Western Reserve University. The author has contributed to research in topics: 3D printing & Electronics. The author has an hindex of 6, co-authored 12 publications receiving 847 citations. Previous affiliations of Alejandro H. Espera include Virginia Tech & Ateneo de Davao University.
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Journal ArticleDOI
Mechanical characterization of 3D-printed polymers
John Ryan C. Dizon,John Ryan C. Dizon,Alejandro H. Espera,Alejandro H. Espera,Qiyi Chen,Rigoberto C. Advincula +5 more
TL;DR: In this article, the authors provide a brief discussion about additive manufacturing and also the most employed additive manufacturing technologies for polymers, specifically, properties under different loading types such as tensile, bending, compressive, fatigue, impact and others.
Journal ArticleDOI
Advances in 3D printing of thermoplastic polymer composites and nanocomposites
Arnaldo D. Valino,Arnaldo D. Valino,John Ryan C. Dizon,John Ryan C. Dizon,Alejandro H. Espera,Alejandro H. Espera,Qiyi Chen,Jamie M. Messman,Rigoberto C. Advincula +8 more
TL;DR: In this article, the importance of thermoplastics and thermoplastic composites to additive manufacturing is discussed, and a perspective is given on the important parameters and standards needed to make AM printed objects from polymer composites more effective in cost/performance ratio.
Journal ArticleDOI
3D-printing and advanced manufacturing for electronics
Alejandro H. Espera,Alejandro H. Espera,John Ryan C. Dizon,John Ryan C. Dizon,Qiyi Chen,Rigoberto C. Advincula +5 more
TL;DR: A groundwork for defining methods and protocols, reviewing various 3D-printing methods, and describing the state-of-the-art in3D-printed electronics and their future growth is given.
Journal ArticleDOI
3D Printing of a Robust Polyamide-12-Carbon Black Composite via Selective Laser Sintering: Thermal and Electrical Conductivity
Alejandro H. Espera,Alejandro H. Espera,Arnaldo D. Valino,Arnaldo D. Valino,Jerome O. Palaganas,Lucio R. Souza,Qiyi Chen,Rigoberto C. Advincula +7 more
Journal ArticleDOI
Three-dimensional-printed molds and materials for injection molding and rapid tooling applications
John Ryan C. Dizon,John Ryan C. Dizon,Arnaldo D. Valino,Arnaldo D. Valino,Lucio R. Souza,Alejandro H. Espera,Alejandro H. Espera,Alejandro H. Espera,Qiyi Chen,Rigoberto C. Advincula +9 more
TL;DR: In this article, the authors present an overview of the injection molding process and the importance of mold design and tooling considerations, important material requirements and thermal properties for molds, polymer material requirements for injection moulding, mold flow analysis, and the promise of using the 3D printing process for mold fabrication.