Results 11 to 20 of about 23,345 (189)

Determination of the Grain Size in Single-Phase Materials by Edge Detection and Concatenation

open access: yesMetals, 2020
This paper presents a novel approach for edge detection and concatenation. It applies the proposed method on a set of optical microscopy images of aluminium alloy Al 99.5% (ENAW1050A) samples with different grain size values.
Lucijano Berus   +5 more
doaj   +1 more source

Sress-corrosion cracking under cathodic protection of low alloy steel joints with high frequency weld and arc weld

open access: yesФізика і хімія твердого тіла, 2022
According to the results of complex electrochemical, corrosion-mechanical and fractographic studies, the existence of three potential regions, in which the stress-corrosion cracking (SCC) of 17G1S (17G1S-U) steel in the NS4 model soil electrolyte occurs ...
L.I. Nyrkova   +5 more
doaj   +1 more source

Metallographic Study of the Casting Made from CMSX-6 SC Nickel-Based Superalloy

open access: yesArchives of Metallurgy and Materials, 2017
Microstructural characterization is an important tool to optimize the properties of engineering materials. Quantitative metallography is a common technique, which provides three-dimensional estimations of phases and structure elements from two ...
Szczotok A.
doaj   +1 more source

Metalografía a color en aleaciones Al-Si comerciales. Optimización de las técnicas de caracterización microestructural mediante microscopía óptica de reflexión

open access: yesRevista de Metalurgia, 2010
La demanda de aleaciones con calidades optimizadas conlleva la mejora continua de estas calidades, lo que viene suscitando la necesidad de mejora y optimización permanentes de las técnicas de caracterización metalográfica.
B. Suárez-Peña   +2 more
doaj   +1 more source

Picosecond laser microvia drilling of ABF material using MHz burst mode

open access: yesMaterials Research Express, 2023
We report on a comprehensive study of laser percussion microvia drilling of Ajinomoto build-up film (ABF) material using an ultrashort pulsed laser in MHz burst mode.
Daniel Franz   +7 more
doaj   +1 more source

Influence of Welding Parameters on the Weld Pool Dimensions and Shape in a TIG Configuration

open access: yesApplied Sciences, 2017
The weld pool shape created by the plasma arc interaction on a workpiece depends on many geometrical and physical parameters and on the operating conditions.
Marine Stadler   +2 more
doaj   +1 more source

Local wavelet features for statistical object classification and localisation [PDF]

open access: yes, 2009
This article presents a system for texture-based probabilistic classification and localisation of 3D objects in 2D digital images and discusses selected applications.
Grzegorzek, Marcin   +3 more
core   +1 more source

Notch aspects of RSP steel microstructure

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
For a rather long time, basic research projects have been focused on examinations of mechanical properties for Rapid Solidification Powder (RSP) steels. These state-of-art steels are commonly known as “powdered steels“.
Michal Černý   +3 more
doaj   +1 more source

Metallographic Study and Repeatability Analysis of γ' Phase Precipitates in Cored, Thin-Walled Castings Made from IN713C Superalloy

open access: yesArchives of Metallurgy and Materials, 2017
The study describes the influence of a surface modification in cored, thin-walled castings of blades from IN-713C nickel superalloy on γ' phase precipitates. The blades were produced by using the investment casting process in the laboratory conditions as
Szczotok A., Pietraszek J., Radek N.
doaj   +1 more source

Colour Metallography of Cast Iron [PDF]

open access: yesChina Foundry, 2009
Cast iron, as a traditional metal material, has advantages of low total cost, good castability and machinability, good wear resistance and low notch sensitivity, and is still facing tough challenge in quality, property and variety of types etc.
Zhou Jiyang
doaj  

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