the hardening of metals by spontaneous structural changes over a period of time
See also precipitation hardening
Examples of 'age hardening' in a sentence
age hardening
Per cent elongation, however, decreases due to age hardening.
Ranjit Bauri et al 2007, 'Processing and properties of Al–Li–SiCp composites', Science and Technology of Advanced Materialshttp://www.iop.org/EJ/abstract/1468-6996/8/6/A08. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The age-hardening involves three steps: solution treatment, quenching and aging.
Lenka Kuchariková, Eva Tillová 2018, 'MICROSTRUCTURAL FEATURES EVALUATION OF AGE-HARDENED A 226 CAST ALLOY BY IMAGE ANALYSIS',Production Engineering Archiveshttp://www.qpij.pl/production-engineering-archives/files/Vol-17,-No-4---01.-L.-Kucharikova,-E.-Tillova.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Electron microscopy and nanoindentation underlines different age hardening of the samples.
F. Tasnádi, L. Rogström, J. Zhu, F. Wang, T.-W. Hsu, H. Lind, I.A. Abrikosov, M.P.Johansson-Jõesaar, M. Odén 2018, 'High temperature thermodynamics of spinodal decomposition in arc deposited TixNbyAlzNcoatings', Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127518303034. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A model was developed for the relationship between age hardening time and hardness of the composite.
Aondona P. Ihom 2014, 'Role of Age Hardening Heat Treatment on the Hardness Values of 93.95 Al-5 Zn-1.05Sn/5 Al2o3- Sio2 Particulate Composite', Aceh International Journal of Science and Technologyhttp://jurnal.unsyiah.ac.id/AIJST/article/view/1389. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The experimental data was evaluated with respect to the detrimental effect of incomplete dissolution on the age-hardening potential.
Hannes Fröck, Benjamin Milkereit, Philipp Wiechmann, Armin Springer, Manuela Sander,Olaf Kessler, Michael Reich 2018, 'Influence of Solution-Annealing Parameters on the Continuous Cooling Precipitationof Aluminum Alloy 6082', Metalshttp://www.mdpi.com/2075-4701/8/4/265. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The resulting age hardening kinetics have been modelled by combining a phenomenological precipitation strengthening model with a tempering model.
Jean-Yves Maetz, Matthias Militzer, Yu Wen Chen, Jer-Ren Yang, Nam Hoon Goo, SooJin Kim, Bian Jian, Hardy Mohrbacher 2018, 'Modeling of Precipitation Hardening during Coiling of Nb–Mo Steels', Metalshttp://www.mdpi.com/2075-4701/8/10/758. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The age-hardening of the alloy was examined to evaluate the strengthening behavior during the non-isothermal process.
Jun-Zhou Chen, Guo-Ai Li, Xin Cai, Jian-Tang Jiang, Wen-Zhu Shao, Li Yang, Liang Zhen 2018, 'Microstructure Evolution and the Resulted Influence on Localized Corrosion in Al-Zn-Mg-CuAlloy during Non-Isothermal Ageing', Materialshttp://www.mdpi.com/1996-1944/11/5/720. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Aluminium and copper zinc alloys were used in order to observe the increase of the age-hardening response in brazed alloys.
IONEL OLARU 2014, 'A STUDY ON DRAWING BIMETALLIC BRAZED SHEET PARTS', Journal of Engineering Studies and Researchhttp://pubs.ub.ro/dwnl.php?id=JESR201401V20S01A0009. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The phospholipids-treated binder exhibited the highest resistance to oxidation and the lowest age-hardening effect compared to the other tested anti-oxidants.
Cesare Oliviero Rossi, Paolino Caputo, Saltanat Ashimova, Antonio Fabozzi, GerardinoD'Errico, Ruggero Angelico 2018, 'Effects of Natural Antioxidant Agents on the Bitumen Aging Process: An EPR and RheologicalInvestigation', Applied Scienceshttp://www.mdpi.com/2076-3417/8/8/1405. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)