Results 101 to 110 of about 434,779 (297)

STUDENT WELDING SKILL COMPETITION DEVELOPMENT MODEL WITH KKNI AND COMPETENCY CERTIFICATION APPROACH IN VOCATIONAL SCHOOL [PDF]

, 2014
This study aims to (1) obtain a model of the organization of the Student Welding Skill Competition, (2) determine the organization of the Student Welding Skill Competition model implementation, (3) determine the management of the Student Welding Skill ...
Arif, Marwanto, Putut, Hargiyarto, Riswan Dwi, Djatmiko   +2 more
core  

The influence of position in overlap joints of Mg and Al alloys on microstructure and hardness of laser welds [PDF]

, 2013
Structure and properties of laser beam welding zone of dissimilar materials, AZ31 magnesium alloy and A5754 Aluminum alloy, are investigated. The microstructure and quality of the Mg/Al weld were studied by metallography, microhardness and optical ...
Fatih H., H. Mhiri, J. E. Masse, K. Abderrazak, M. Autric, Nakada K., Peng L., S. Bannour, S. Mattei, Stodolsky R., Yoo M. S.   +10 more
core   +6 more sources

Advancing aqueous zinc‐ion batteries with carbon dots: A comprehensive review

EcoEnergy, Volume 3, Issue 2, Page 254-295, June 2025.
Carbon dots (CDs), with their distinctive structure and superior electrochemical properties, represent an innovative class of carbon‐based materials with broad potential applications for optimizing aqueous zinc‐ion batteries (AZIBs) performance. This comprehensive review highlights the potential application of CDs in AZIBs.
Mingying Chen, Junjie Ma, Yanhong Feng, Quanping Yuan, Yinghong Wu, Yifan Liu, Guangzhi Hu, Xijun Liu   +7 more
wiley   +1 more source

Nine percent nickel steel heavy forging weld repair study [PDF]

The feasibility of making weld repairs on heavy section 9% nickel steel forgings such as those being manufactured for the National Transonic Facility fan disk and fan drive shaft components was evaluated.
Berry, R. F., Jr., Brooks, T. G., Gerringer, A. H., Young, C. P., Jr.   +3 more
core   +1 more source

Langley Research Center Standard for the Evaluation of Socket Welds [PDF]

, 1985
A specification utilized for the nondestructive evaluation of socket type pipe joints at Langley Research Center (LaRC) is discussed. The scope of hardware shall include, but is not limited to, all common pipe fittings: tees, elbows, couplings, caps, and
Berry, R. F., Jr.
core   +1 more source

Assessing Groundwater Potential in the Ziway Lake Watershed Using Geographical Information System, Analytic Hierarchy Process, and Drinking Water Quality Index

Global Challenges, Volume 9, Issue 6, June 2025.
This study identifies groundwater potential zones in Ethiopia’s Ziway Lake watershed using GIS and the SWAT model. Over half the area shows moderate to very high potential. Nearly 40% of high‐potential zones also have good to excellent water quality. The results offer a practical tool for sustainable groundwater management, with potential application ...
Tariku Takele, Abraham Mechal, Berihu Abadi Berhe   +2 more
wiley   +1 more source

The influence of defects of the fatigue resistance of butt and girth welds in A106B steel [PDF]

This three-phase study was directed at developing a fitness for service defect acceptance criteria for welds with defect indications. The study focussed on A106 Gr. B steel pipe. The first phase involved a literature search and critical review to develop
Goetz, D. P., Leis, B. N., Scott, P. M.
core   +1 more source

Use of frit-disc crucibles for routine and exploratory solution growth of single crystalline samples [PDF]

, 2015
Solution growth of single crystals from high temperature solutions often involves the separation of residual solution from the grown crystals. For many growths of intermetallic compounds, this separation has historically been achieved with the use of ...
Canfield, Paul, Canfield, Paul, Jo, Na Hyun, Kaluarachchi, Udhara, Kong, Tai   +4 more
core   +4 more sources

Fracture and Damage Analysis of Cement‐Stabilized Fine and Coarse Grain Soils Under Static and Cyclic Loading Using Chevron‐Notched SCB Specimen

Fatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 6, Page 2708-2724, June 2025.
ABSTRACT Fracture toughness and cohesive fracturing properties of two classes of sandy‐clay soils, (A) with fine and (B) coarse grains and stabilized with low (2%) and high (10%) cement (as soil stabilizer), were investigated using a chevron‐notched semicircular bend (CN‐SCB) sample under static and cyclic loads.
Nazife Erarslan, M. R. M. Aliha
wiley   +1 more source

AN INDUSTRIAL INSPECTION APPROACH FOR WELD DEFECTS USING MACHINE LEARNING ALGORITHM

International Journal of Advances in Signal and Image Sciences, 2019
The weld defects are formed due to the incorrect welding patterns or wrong welding process. The defects in the weld may vary from size, shape and their projected quality.
Kalai Selvi V, John Aravindar D
doaj   +1 more source