Results 21 to 30 of about 4,846,533 (293)
Simulation of Adaptive Sampling in Profile Measurement for Structured Surfaces [PDF]
Adaptive sampling is a novel sampling design that can redirect sampling effort during a survey in response to the observed values. Its application on surface texture measurement is new, such as working with stylus profilometers.
Wang, Jian, Blunt, Liam, Jiang, Xiang
core +4 more sources
This study investigated the impact of the laser speed and power, and the position and orientation of the samples, on the average surface roughness (Ra) and dimensional accuracy (DA) during CO2 laser cutting of polymethyl methacrylate (PMMA) thin sheets ...
Konstantinos Ninikas +2 more
doaj +1 more source
A Comparison of Dimensional Accuracy of Addition Silicone of Different Consistencies with Two Different Spacer Designs - In-vitro Study [PDF]
Introduction: Dimensional accuracy of impression materials is crucial for the production of working casts in Fixed Prosthodontics. The accurate replication of tooth preparations and their arch position requires impression materials that exhibit ...
Suprabha Rathee +6 more
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In recent years, automobile manufacturing requires both weight reduction for environmental measures and high strength for safety. For this reason, the use of ultra-high tensile strength steel sheets for frame components is increasing. For the application
Hideto KATSUMA
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Distortion Analysis of Thin-Walled Investment Castings [PDF]
Dokra casting is famous for its Artistic value to the world but it is also sophisticated engineering. The technique is almost 4500 years old. It is practiced by the tribal artisans of India.
R. Mandal +5 more
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Dimensional Accuracy of Electron Beam Powder Bed Fusion with Ti-6Al-4V
While much of additive manufacturing (AM) research is focused on microstructure, material properties, and defects, there is much less research in regards to understanding how well the part coming out of the machine matches the 3D model it is based on, as
Eric Bol, Mamidala Ramulu
doaj +1 more source
Optimizing Surface Finish and Dimensional Accuracy in 3D Printed Free-Form Objects
3D printing of free-form objects presents inherent complexity due to their organic and intricate shapes. Designers engage with such objects, considering a range of factors including aesthetics, engineering viability, and ergonomic comfort. This research
Farid Wajdi, Mohd Sazli Saad
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Comparing Between Different Impressions Materials and Techniques for the Accuracy of Implant Position Transfer [PDF]
Aims: This study aimed to compare the accuracy of implant position transfer using three impression materials with two techniques. Materials and methods: A master model was fabricated with two parallel dental implants at the first and second premolars ...
Ahmed Abduljawad Ismail Alubaidi +2 more
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A computational and theoretical investigation of the accuracy of quasicontinuum methods [PDF]
We give computational results to study the accuracy of several quasicontinuum methods for two benchmark problems – the stability of a Lomer dislocation pair under shear and the stability of a lattice to plastic slip under tensile loading.
Luskin, Mitchell Barry +7 more
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Dimensional Accuracy of Nanoparticles Reinforced Denture Base Materials [PDF]
Aims: The study aims to evaluate the effect of the addition of salinized zirconium oxide (ZrO2) and silicon oxide (SiO2) nanoparticles at two concentrations (1% and 3% by weight) on the dimensional accuracy of the heat-cured denture base material ...
Ghadaq M. Younis, Radhwan H. Hasan
doaj +1 more source

