Additive manufacturing technologies like laser powder‐bed fusion offer great design freedom and individualization of products down to a batch size of one. However, parts fabricated with this technology suffer from poor quality. Acoustic assistance during the build process can minimize these drawbacks.
Oliver Maurer, Dirk Bähre
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Vacuum‐Formed Composites Based on a Polyolefin and a High Content of Biomass‐Waste Fillers
It is shown here that by the use of a very ductile polymer matrix, it is possible to vacuum‐form products that contain up to 25% of hard biofillers with still ductile properties. The results are promising and opens up for the use of engineered biocomposites derived from industrial side‐stream biofillers in vacuum‐formed products. A strategy to increase
Susanna K. Källbom+6 more
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Antimicrobial Titanium–Copper Alloys: The Role of Microstructure in Arc‐Melted Compositions
Copper‐containing titanium alloys show promise in combating orthopedic implant infections. This study explores the influence of heat treatment on Ti‐11.5Cu and Ti‐33Cu alloys, revealing that larger Ti2Cu precipitates (≈5 μm) enhance antimicrobial efficacy through increased surface contact. Results suggest contact sterilization is the primary mechanism,
Daisy Rabbitt+5 more
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Influence of Adherend Surface Roughness on the Adhesive Bond Strength
SURFACE TREATMENT OF THE ADHERENDS PRIOR TO ADHESIVE BONDING PLAYS AN IMPORTANT ROLE IN THE ENHANCING OF STRENGTH AND DURABILITY OF BONDED JOINTS. IN THIS WORK, AN INVESTIGATION ON EFFECT OF ADHEREND SURFACE ROUGHNESS ON ADHESIVE BOND STRENGTH WAS ...
A. Ghumatkar+4 more
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High‐Temperature Oxidation of the CrFeNi Medium‐Entropy Alloy
The oxidation behavior of equiatomic CrFeNi MEA is a key issue that determines this material's suitability for high‐temperature application. The understanding of long‐term behavior is even more crucial than short‐term corrosion effects. The alloy is exposed to synthetic air at 1000, 1050, and 1100 °C for 24, 100, and 1000 h and systematically compared ...
Anna Maria Manzoni+5 more
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Closure to “Discussions of ‘The Effect of Surface Roughness on the Convection Heat-Transfer Coefficient for Fully Developed Turbulent Flow in Ducts With Uniform Heat Flux’” (1959, ASME J. Heat Transfer, 81, p. 173) [PDF]
R. T. Lancet
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Surface Roughness of Dental Implant and Osseointegration
Geraldo R M Matos
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Residual Stress States in Microstructurally Graded PBF–LB/M Austenitic Steel Components
This study examines microstructurally graded 316L rectangular tube profiles fabricated via PBF–LB/M using a dual‐laser system. A 1 kW top‐hat and a 400 W Gaussian laser create distinct grain sizes and crystallographic texture. Mechanical properties are linked to microstructural evolution driven by processing conditions.
Nico Möller+5 more
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The surface roughness of wood is affected by the processing conditions and the material structure. So, optimization of operation parameters is very crucial to have minimum surface roughness. In this study, modeling and optimization of surface roughness (
Ayşenur Gürgen+3 more
doaj
Discussion: “The Effect of Surface Roughness on the Convection Heat-Transfer Coefficient for Fully Developed Turbulent Flow in Ducts With Uniform Heat Flux” (Lancet, R. T., 1959, ASME J. Heat Transfer, 81, pp. 168–173) [PDF]
G. A. Sterbutzel
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