Results 181 to 190 of about 3,626 (239)

Enhanced mechanical properties and environmental stability of polymer-bonded magnets using three-step surface wet chemical modifications of Nd-Fe-B magnetic powder. [PDF]

Heliyon
Damnjanović A, Milošev I, Kovačević N.   +2 more
europepmc   +1 more source

Rational design and characterization of enhanced alcohol-inducible synthetic promoters in <i>Pichia pastoris</i>. [PDF]

Appl Environ Microbiol
Liu Q, Li Y-h, Tao L-f, Yang J-y, Zhang Y-l, Cai M-h.   +5 more
europepmc   +1 more source

Ifosfamide-Induced Encephalopathy in Children and Young Adults: The MD Anderson Cancer Center Experience. [PDF]

Cancers (Basel)
Alqahtani S, Bitar SD, Mireles ME, Corrales-Medina FF, Herzog CE, Slopis J, Daw NC.   +6 more
europepmc   +1 more source

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Machinability of PA12 and short fibre–reinforced PA12 materials produced by fused filament fabrication

The International Journal of Advanced Manufacturing Technology, 2020
Fused filament fabrication (FFF) is an extrusion-based process that allows quick and inexpensive part production, practically without any geometric limitations, offering flexibility, promoting reduction in costs and lead-time in an industrial scenario.
Margarida Machado, Santiago Villa, Isaac Ferreira, Isaac Ferreira, Rui Madureira, Abílio de Jesus, Abílio de Jesus, Jorge Lino Alves, Jorge Lino Alves   +8 more
openaire   +2 more sources

Study of the annealing influence on the mechanical performance of PA12 and PA12 fibre reinforced FFF printed specimens

Rapid Prototyping Journal, 2020
Purpose The purpose of this study is to evaluate and compare the mechanical performance of FFF parts when subjected to post processing thermal treatment. Therefore, a study of the annealing treatment influence on the mechanical properties was performed.
Sacha Mould, Rui J. Neto, Margarida Machado, Jorge Lino Alves, Carolina Melo, Isaac Ferreira   +5 more
openaire   +2 more sources

A new macroinitiator for the synthesis of triblock copolymers PA12‐b‐PDMS‐b‐PA12

Journal of Applied Polymer Science, 2006
AbstractA new PDMS macroinitiator is proposed for the anionic ring‐opening polymerization of lactams. This α,ω‐dicarbamoyloxy caprolactam PDMS macroinitiator was readily obtained in quantitative yield, by an original synthesis scheme in two steps, which involved the scarcely reported reaction of isocyanates with silanol groups.
Rached, Rabih, Hoppe, S., Jonquières, Anne, Lochon, Pierre, Pla, Fernand   +4 more
openaire   +3 more sources

Saturation ESR spectroscopy of PA12 polyamide

European Polymer Journal, 2004
Abstract This work presents the results of our EPR study of polyamide 12 (PA12) –[NH–(CH2)11–CO]n–NH–(CH2)11–CO–. In this study the spin probe method with “conventional” or “continuous saturation” at low temperatures (4–260 K) was used. The aim of our investigation was to determine if it possible to obtain the saturation effects and establish ...
M. Piątek, Ryszard Ukielski, D. Podgórska, F. Lembicz   +3 more
openaire   +2 more sources

Process optimization of continuous aramid fiber reinforced PA12 filaments and printed composites

Polymer Composites
A multi‐stage fiber spreading process for the preparation of high‐performance continuous aramid fiber reinforced nylon 12 (CAF/PA12) composites was proposed in this paper.
X. Jiang, Zhongde Shan, Yong Zang, Feng Liu, Xiaochuan Wu, Ailing Zou, Xiaojun Liu   +6 more
semanticscholar   +1 more source

Failure criterion for PA12 SLS additive manufactured parts

Additive Manufacturing, 2018
Abstract In order to use selective laser sintering to manufacture structural parts for automotive and aerospace applications, the failure conditions of such a component must be understood and predicted. A 3D failure criterion for anisotropic materials that incorporates stress interactions is implemented to predict failure of selective laser sintered ...
Martin Launhardt, Philip Obst, Paul V. Osswald, Tim A. Osswald, Dietmar Drummer   +4 more
openaire   +2 more sources