Results 111 to 120 of about 101,726 (309)

Selective Laser Sintering of Polymer Nanocomposites [PDF]

, 2007
This paper describes the fabrication and characterization of polymer nanocomposite (PNC) materials for use in the selective laser sintering (SLS) process. PNC materials are of great interest generally because of their excellent physical properties, and
Cochrane, R. F., Dalgarno, K. W., Wahab, M. S.   +2 more
core   +1 more source

Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron spectroscopy. The methodology proved successful; however, the results were highly dependent on the preparation of the solvents used to clean the samples after ...
Friedrich Bürger, Lienhard Wegewitz, Wolfgang Maus‐Friedrichs   +2 more
wiley   +1 more source

Modeling Porosity Surface of 3D Selective Laser Melting Metal Materials

Fractal and Fractional
The most popular method for additively printing metal components is selective laser melting (SLM), which works well for creating working models and prototypes. A fine metal powder, often (stainless) steel or aluminum, serves as the initial material.
Matej Babič, Roman Šturm, Teofil-Florin Gălățanu, Ildikó-Renáta Száva, Ioan Száva   +4 more
doaj   +1 more source

Users satisfaction on academic library services: measure on service quality, safety and facility [PDF]

, 2020
Library is an important and beneficial place for information and resources of knowledge. According to the previous paper, the library is an open place for all people and broadens opportunities for people of all ages.
Abd Latif, Siti Safiah, Hashim, Shazana, Juma’at, Nuramirah, Mohamed Salleh, Siti Maryam, Mudzaffar, Nurul Lyana, Nordin, Norain   +5 more
core  

Al–Cu Composite Casting of Laser‐Deoxidized Copper: Bonding, Interfacial Chemistry, and Thermal Conductivity

Advanced Engineering Materials, EarlyView.
This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff, Finn‐Lennard Janthur, Sascha Zimmermann, Sarah Seffer, Jörg Hermsdorf, René Gustus, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Christian Klose   +9 more
wiley   +1 more source

SLS Processing Studies of Nylon 11 Nanocomposites [PDF]

, 2005
Selective Laser Sintering (SLS) is widely used for rapid prototyping/manufacturing of nylon 11 and nylon 12 parts. This processing technique has not been explored for nylon nanocomposites. This study investigates the technicalities of processing nylon
Cheng, J., Cummings, A., Ho, W., Koo, J., Lao, S., Nguyen, K.   +5 more
core  

Atmospheric Control during Direct Selective Laser Sintering of Stainless Steel 314S Powder [PDF]

, 1999
Stainless steel grade 314S powders have been Selective Laser Sintered (SLS) in three different argon/air (oxygen) atmospheric mixtures. The amount of oxygen present during the heating, melting and fusing of the metal powder strongly limits the range of
Childs, T.H.C., Dalgarno, K.W., Eane, R.B., Hauser, C.   +3 more
core   +1 more source

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

Advanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa, Aparna Saksena, Alesander Kostka, Pascal Thome, Felicitas Scholz, Alexandre Mussi, Christoph Somsen, Baptiste Gault, Jan Frenzel, Gunther Eggeler   +9 more
wiley   +1 more source

Selective laser melting of Al-Cu-Fe based alloys using elemental powder blends

Фізика і хімія твердого тіла
In this work, the conditions for obtaining the Al63Cu25Fe12 alloy from a mixture of elemental powders by selective laser melting were investigated. In addition to directly synthesizing the alloy using the mentioned method, the aim of this work was also ...
Ihor Shtablavyi, Yuri Kulyk, Andrii Pauk, Nazar Popilovskyi, Maryna Yatsevych, Stepan Mudry   +5 more
doaj   +1 more source

Chemical polishing of samples obtained by selective laser melting from titanium alloy Ti6Al4V

MATEC Web of Conferences, 2018
The paper discusses a method of chemical polishing of Ti6Al4V samples and presents the results of our study. The samples were produced by selective laser melting, which is an increasingly popular method of producing thin-walled, geometrically complex ...
Balyakin Andrey V., Shvetcov Aleksei N., Zhuchenko Evgeny I.   +2 more
doaj   +1 more source