Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel

Abstract The evolution of precipitates in P92 heat-resistant steel sustained under thermal aging at 923 K for different times were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), while the effects of precipitates evolution on the low stress creep properties...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Hongguang Han, Junjie Shen, Jiaxing Xie
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Precipitation Development Laves Phase Thermal Aging M23C6 Carbides Creep Resistance Properties Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2d88e4d0780d4249804c5e95e89ae4ef
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:2d88e4d0780d4249804c5e95e89ae4ef
record_format	dspace
spelling	oai:doaj.org-article:2d88e4d0780d4249804c5e95e89ae4ef2021-12-02T15:08:25ZEffects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel10.1038/s41598-018-33814-z2045-2322https://doaj.org/article/2d88e4d0780d4249804c5e95e89ae4ef2018-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-33814-zhttps://doaj.org/toc/2045-2322Abstract The evolution of precipitates in P92 heat-resistant steel sustained under thermal aging at 923 K for different times were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), while the effects of precipitates evolution on the low stress creep properties were experimentally analyzed through uniaxial creep testing and multiaxial “helicoid spring creep testing”. The results demonstrate that the coarsening of M23C6 carbide is significantly slower than the Laves phase in the thermal aging of 0~8000 h. The creep resistance of the P92 heat-resistant steel is enhanced at 923 K aging for 3000 h, and the strengthening effect is significantly apparent under the lower stresses. Moreover, the microstructure degradation factor of the P92 heat-resistant steel in the low stress region at 923 K is different that under the lower stresses of 20 MPa and 35 MPa is mainly Laves phase and the higher stresses of 65 MPa and 75 MPa is mainly M23C6 carbide.Hongguang HanJunjie ShenJiaxing XieNature PortfolioarticlePrecipitation DevelopmentLaves PhaseThermal AgingM23C6 CarbidesCreep Resistance PropertiesMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Precipitation Development Laves Phase Thermal Aging M23C6 Carbides Creep Resistance Properties Medicine R Science Q
spellingShingle	Precipitation Development Laves Phase Thermal Aging M23C6 Carbides Creep Resistance Properties Medicine R Science Q Hongguang Han Junjie Shen Jiaxing Xie Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
description	Abstract The evolution of precipitates in P92 heat-resistant steel sustained under thermal aging at 923 K for different times were analyzed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), while the effects of precipitates evolution on the low stress creep properties were experimentally analyzed through uniaxial creep testing and multiaxial “helicoid spring creep testing”. The results demonstrate that the coarsening of M23C6 carbide is significantly slower than the Laves phase in the thermal aging of 0~8000 h. The creep resistance of the P92 heat-resistant steel is enhanced at 923 K aging for 3000 h, and the strengthening effect is significantly apparent under the lower stresses. Moreover, the microstructure degradation factor of the P92 heat-resistant steel in the low stress region at 923 K is different that under the lower stresses of 20 MPa and 35 MPa is mainly Laves phase and the higher stresses of 65 MPa and 75 MPa is mainly M23C6 carbide.
format	article
author	Hongguang Han Junjie Shen Jiaxing Xie
author_facet	Hongguang Han Junjie Shen Jiaxing Xie
author_sort	Hongguang Han
title	Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
title_short	Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
title_full	Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
title_fullStr	Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
title_full_unstemmed	Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel
title_sort	effects of precipitates evolution on low stress creep properties in p92 heat-resistant steel
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/2d88e4d0780d4249804c5e95e89ae4ef
work_keys_str_mv	AT hongguanghan effectsofprecipitatesevolutiononlowstresscreeppropertiesinp92heatresistantsteel AT junjieshen effectsofprecipitatesevolutiononlowstresscreeppropertiesinp92heatresistantsteel AT jiaxingxie effectsofprecipitatesevolutiononlowstresscreeppropertiesinp92heatresistantsteel
_version_	1718388113801216000

Effects of Precipitates Evolution on Low Stress Creep Properties in P92 Heat-resistant Steel

Ejemplares similares