Results 51 to 60 of about 2,306,168 (255)

Comparing inductive and deductive methodologies for design patterns identification and articulation [PDF]

open access: yes, 2007
Design patterns offer a valuable format to communicate knowledge of successful design solutions to recurring problems. However, there is a lack of research into design patterns that differentiate the applicability of the proposed design solutions across ...
Jachna, Timothy, Schadewitz, Nicole
core  

Investigation of Laser Ablation and Brush Pre‐Treatments for AlCu Cold Roll Bonding in Oxygen‐Free Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
It is shown that laser ablation pretreatment under oxygen‐free conditions enables copper–aluminium bonding at significantly lower deformation degrees and improved properties compared to mechanical brushing. Laser ablation further increases interface contact area and induces favourable residual stress states and microstructural compatibility ...
Khemais Barienti   +11 more
wiley   +1 more source

Missing value and comparison problems: what pupils know before the teaching of proportion [PDF]

open access: yes, 2011
This paper analyses grade 6 pupils’ mathematical processes and difficulties in solving proportion problems before the formal teaching of this topic. Using a qualitative methodology, we examine pupils’ thinking processes at four levels of performance in ...
da Ponte, João Pedro   +1 more
core   +2 more sources

Characterization of Nitinol Produced by Laser Powder Bed Fusion for Mechanical Metamaterial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Stabilization of L‐PBF Ni50.7Ti49.3 under low‐cycle loading was investigated. Recoverable strain after cycling was dependent on the amount of applied load. Recovery ratio was 53.4% and 35.1% at intermediate and high load, respectively. The maximum total strain reached 10.3% at a high load of 1200 MPa.
Ondřej Červinek   +5 more
wiley   +1 more source

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

open access: yesAdvanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller   +6 more
wiley   +1 more source

Reduction of Oxide Inclusions During the High‐Frequency Welding of Steel via a Nonthermal Ar/H2 Plasma Jet

open access: yesAdvanced Engineering Materials, EarlyView.
High‐frequency (HF) welding of steel is limited by oxide inclusions that degrade weld quality. This study demonstrates, for the first time, the integration of a nonthermal Ar/H2 dielectric barrier discharge (DBD) plasma jet into HF welding. Local plasma treatment provides effective shielding and in‐situ oxide reduction, resulting in markedly fewer and ...
Viktor Udachin   +4 more
wiley   +1 more source

Leading Turnaround and Improvement in Low Performing Schools in Malaysia and Indonesia [PDF]

open access: yes, 2017
Improving the fortunes of low-performing schools, often in the most challenging circumstances, remains a persistent and pervasive challenge in many education systems (Meyers & Darwin, 2017).
Adams, Donnie   +4 more
core  

Difference and Diversity. (Review Article) [PDF]

open access: yes, 2005
Review of Piper, H and Stronach I (eds) 2004 Educational Research: Difference and Diversity (Cardiff Papers in Qualitative Research) Aldershot: Ashgate Publishers. £45.00.
Bigger, Stephen
core   +2 more sources

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