Vaal University of Technology

The Viability of Sol–Gel Coatings for the Corrosion Protection of NdFeB Permanent Magnets

NdFeB permanent magnets are essential components in electric vehicles, wind-turbine generators, high-performance motors, and other energy technologies because of their exceptional magnetic performance. However, their multiphase microstructure and highly reactive Nd-rich grain-bou...

Performance-based assessments in higher education: How ethnic background impacts stakeholders’ fairness perceptions of structured versus unstructured assessment methods

Performance-based assessments (PBAs), like literature reviews, evaluate students’ professional skills (e.g., analytical thinking). However, unclear evaluation criteria in PBAs lead to grading inconsistencies and biased outcomes. This diminishes perceptions of fairness among stake...

Psychometric Properties of the French Version of the Physical Literacy Self-Description (PLSD) Questionnaire Among Children

This study sought to document the psychometric properties of scores on the French Version of the Physical Literacy Self-Description questionnaire. A sample of 191 French-speaking Canadian and French children, aged 5–12 years, participated in this study. Results from an explorator...

Spatiotemporal Variability and Multiscale Drivers of Extreme Rainfall in KwaZulu-Natal, South Africa

Extreme rainfall events are a major driver of flooding and associated socio-economic impacts in eastern South Africa, where interactions between tropical and mid-latitude circulation systems strongly influence rainfall variability. This study investigated atmospheric drivers of e...

Harnessing Knowledge for Good Governance: A Conceptual Framework for Transforming Municipal Service Delivery in Mpumalanga, South Africa

Abstract Municipal service-delivery failures in South Africa are often attributed to fiscal constraints, infrastructure deficits, skills shortages, political-administrative instability and weak accountability. However, insufficient attention has been given to municipalities’ capa...

Climate smart agriculture practices and its pathways to improving factor productivity of vegetables in Amhara Region, Ethiopia

Improving agricultural productivity under climate change and variability remains a significant public challenge in Ethiopia. Climate Smart Agriculture (CSA) practices have been recognized as one of the solutions to improving agricultural productivity and resilience capacity to cl...