Results 61 to 70 of about 1,368 (215)

Multipass pulsed current gas metal arc welding of P91 steel

, 2016
Conventional gas metal arc welding of modified 9Cr-1Mo steels referred to as P91 steels is considered difficult due to loss of alloying elements and degradation of weld joint properties. In comparison to the conventional process, pulsed current gas metal
DE, A, KRISHNAN, S, KULKARNI, DV, D. V. Kulkarni, A. De, S. Krishnan   +5 more
core   +1 more source

Cyclic hardening and softening of high-strength steels

Journal of Mechanical Engineering and Sciences
316L and P91 steels, commonly used for high-temperature applications in power plants, experience low-cycle fatigue. In this work, the cyclic stress-strain behaviour of 316L and P91 materials was analyzed. Experimental data from the material's hysteresis
Norhaida Ab Razak, Nasrul Azuan Alang, Nurizzatul Atikha Rahmat   +2 more
doaj   +1 more source

Homotopy Perturbation Method for Investigating Population Dynamics in Oxygen‐Depleted Environments

Discrete Dynamics in Nature and Society, Volume 2025, Issue 1, 2025.
This research will seek to construct a theoretical model to study both the ultraviolet (UV) degradation of hydrogen sulfide (H2S) without oxygen and population dynamics in anoxic environments. Solving some of the issues in biogas energy usage, this paper is interested in modeling H2S photodegradation, simulation of parameters that influence degradation
V. Sreelatha Devi, Sathiyaraj Thambiayya, Gowri Senthil, K. Saranya, S. Priyan   +4 more
wiley   +1 more source

Application of Inconel 625 filler metal for welding of P91 steel in dissimilar joints [PDF]

, 2019
U početnom, teorijskom dijelu rada dan je kratak pregled čelika koji se koriste za rad na visokim temperaturama. Detaljnije je opisan martenzitni čelik P91 te je dan poseban naglasak na problematiku zavarljivosti i promjenu mikrostrukture u području ...
Čukman, Jurica
core  

Creep-fatigue crack growth behaviour of P91 steels

Procedia Structural Integrity, 2016
AbstractThe importance of predicting failure due to combined creep-fatigue crack growth in high temperature power-plant components has become of great importance importance due to the need for plant to ‘load follow’ in response to fluctuations in demands and the availability of renewables.
Ab Razak, N., Davies, C.M., Nikbin, K.M.
openaire   +1 more source

A Finnish nationwide register‐based study shows a further 50% decline in already low child mortality

Acta Paediatrica, Volume 113, Issue 12, Page 2643-2650, December 2024.
Abstract Aim Child mortality declined significantly in Finland in 1969–2004. We investigated whether the already low mortality rate could still decline from 2005 to 2020. Methods This was a nationwide register‐based study. The subjects were children under 16 years of age who had resided in Finland between 2005 and 2020.
Riikka H. Sallinen, Minna Honkila, Tytti Pokka, Niko Paalanne, Kimmo Halt, Marjo Renko, Eero Kajantie, Terhi S. Ruuska   +7 more
wiley   +1 more source

Weldability analysis of P91 Cr-Mo steel

, 2020
Opisani su čelici koji su za vrijeme rada izloženi visokim temperaturama te su navedeni specifični uvjeti rada kojima su podvrgnuti navedeni čelici. Detaljni pregled martenzitnog čelika P91 dan je u nastavku.
Širić, Petra
core  

Modeling of cyclic thermo-elastic-plastic behaviour of P91 steel

, 2017
Thermomechanical low cycle fatigue behaviour of P91 steel used in power industry applications has been extensively investigated. The constitutive model of Armstrong-Frederick, extended with temperature rate effects, has been applied to describe the ...
Halina Egner, Władysław Egner, Sulich, P., Egner, W., Piotr Sulich, Stanisław Mroziński, Mroziński, S., Egner, H.   +7 more
core   +1 more source

Corrosion performance of different alloys exposed to HTL conditions—A screening study

Materials and Corrosion, Volume 75, Issue 10, Page 1258-1271, October 2024.
Pre‐loading of C‐rings from material candidates with a strain gauge to achieve the desired yield strength. Exposure of these C‐rings to real HTL conditions (flowing, 390°C, 300 bars, black liquor, 18 days). Abstract The corrosion and material evaluation study in (a) water‐based simulated black liquor and (b) water‐based simulated black liquor at super ...
Daniel Blücher, Torstein Lange, Judit Sandquist, Inge Saanum, Mikko Uusitalo   +4 more
wiley   +1 more source

Influence of axial load on internal pressure creep of Mod.9Cr-1Mo circumferential welded pipe

Nihon Kikai Gakkai ronbunshu, 2015
Mod.9Cr-1Mo steel(P91) is widely used for high temperature pipes in ultra-super-critical thermal power plants. However it was recently reported that the creep damage was detected at heat affected zone(HAZ) in welded joints of the pipes so-called the ...
Takashi OGATA, Toshiki MITSUEDA, Hiroshi SAKAI   +2 more
doaj   +1 more source