Investigation of the positioning accuracy of the Cat’s Eye as a reference position in asphere-measuring interferometry [PDF]
Fast and accurate asphere and freeform measurements are in high demand by the optics manufacturing industry. Interferometric methods such as tilted-wave interferometry meet these demands but require accurate surface positioning of the specimen along the ...
Scholz Gregor +2 more
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Characterization of transverse anisotropy in Poisson's ratio using three-point radial deformation measurements [PDF]
Poisson's ratio (v) of rock specimens can be experimentally determined from radial deformation measurements in an unconfined compression test. This is commonly achieved by mounting a compressometer with diametric or perimetric measurement capability ...
Toker Nabi Kartal +1 more
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Design and manufacturing optimization of epoxy-based adhesive specimens for multiaxial tests
Specimen design and manufacturing quality are decisive factors in the experimental determination of material properties, because they can only be reliably determined if all undesired influences have been minimized or are precisely known.
Michael Wentingmann +3 more
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To study the crushing energy-absorbing characteristics and failure mode, the multi-shells finite element model of composite thin-walled C-channel specimen was established based on the quasi-static crushing test results.
XIE Jiang +4 more
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Selection of a suitable multiresponse optimization technique for turning operation [PDF]
The present work deals with the comparison of four multi response optimization methods, viz. multiple response signal-to-noise (MRSN) ratio, weighted signal-to-noise (WSN) ratio, Grey relational analysis (GRA), and VIKOR (VlseKriterijumska Optimizacija I
I. Nayak, J. Rana
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Designing manufacturable viscoelastic devices using a topology optimization approach within a truly-mixed fem framework [PDF]
A new approach to topology optimization is presented that is based on the minimization of the input/output transfer function H∞norm. Additionally, by properly selecting input and output vector, the approach is recognized to minimize an entirely new ...
Cinquini, Carlo +2 more
core +1 more source
Effect of Laser Heat Treatment on the Microstructure and Properties of Alloy 800H
The effects of laser heat treatment on the microstructure and properties of alloy 800H were investigated. The fracture morphology, elemental changes, and phase composition of the specimens were characterized by scanning electron microscopy (SEM), energy ...
Wei Zhang +3 more
doaj +1 more source
Comparison of Material Properties and Microstructure of Specimens Built Using the 3D Systems Vanguard HS and Vanguard HiQ+HSSLS Systems [PDF]
The HiQ upgrade to the 3D Systems Vanguard selective laser sintering (SLS) machine incorporates a revised thermal calibration system and new control software.
Hall, A. +4 more
core +2 more sources
Effect of stress path, size and shape on the optimum parameters of a brittle-ductile concrete model
The main purpose of this study is to investigate the effects of the stress path, size and shape of the specimen, on the optimum values of the plastic input parameters of Concrete Damaged Plasticity-CDP- model of the ABAQUS software.
Mojtaba Labibzadeh, Reza Hamidi
doaj +1 more source
Optimization of the Use Time of a Shake Table with Specimen Preparation outside the Table Surface
The shake table test is one of the preferred techniques used to understand the dynamic response of a structure. However, due to the limited number of facilities available to perform such tests and their expensiveness, researchers often must rely on ...
Santosh Yadav +6 more
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