Results 141 to 150 of about 81,546 (283)

Long-term stability of moisture-capturing hydrogels by preventing metal-mediated degradation. [PDF]

Nat Commun
Díaz-Marín CD, Wilson CT, Song WJ, Yan XY, Shi Y, Li S, Liu C, Lin E, Zhong Y, Masetti L, Zhao X.   +10 more
europepmc   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Hot corrosion and cyclic oxidation behavior of CoMoCrSi + Cr₃C₂ composite coatings on MDN 420 steel by HVOF spray process. [PDF]

Sci Rep
S SK, Prasad CD, Kumaraswamy GN, M V PK, B N DK, Padmavathi G, D SB, Aden AA.   +7 more
europepmc   +1 more source

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

Advanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold, Dylan Jennings, Robert Vaßen   +2 more
wiley   +1 more source

Low-Energy Light-Driven Excited-State Palladium Catalysis: Cross-Coupling of Pyridine <i>N</i>-Oxides with Unactivated Alkyl Bromides. [PDF]

Org Lett
Kim J, Ju M, Baek C, Roh EJ, Shin J, Han JT.   +5 more
europepmc   +1 more source

Performance Analysis of Abradable Coating Systems for Aircraft Gas Turbines

Advanced Engineering Materials, EarlyView.
Three CoNiCrAlY/YSZ/MgAl2O4 abradable liner configurations on a nickel‐superalloy are evaluated by thermal‐gradient cycling and incursion tests. Laser ablation of the bondcoat and/or Y2O3‐stabilized ZrO2 (YSZ) intermediate layer increases mechanical interlocking and bonding for thick topcoats.
Hanna Heyl, Daniel Emil Mack, Martin Tandler, Susanne Schrüfer, Robert Vaßen   +4 more
wiley   +1 more source

Fe(III)/Pyridine N-oxide LMCT Photocatalysis for Unactivated C(sp³)-H Functionalizations. [PDF]

ACS Catal
Luo J, Pradhan DR, Singh J, Liu L, Vetticatt MJ, Deng Y.   +5 more
europepmc   +1 more source

Karl Popper and the Mechanisms of Hydrogen Embrittlement

Advanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Dual-Ion Based Magneto-ionic Effects in Nanoporous Pd₇₅Co₂₅ Alloy. [PDF]

ACS Mater Au
Eber S, Haberfehlner G, Banzer P, Würschum R, Topolovec S.   +4 more
europepmc   +1 more source

Slip Localization Intensification Mediated by Grain Boundary Sliding in a Polycrystalline Nickel‐Based Superalloy

Advanced Engineering Materials, EarlyView.
The temperature dependence of fatigue behavior in nickel‐based superalloys is investigated through high‐resolution measurements of plastic localization. While increasing temperature reduces localization and enhances fatigue performance in René 88DT, Inconel 718 exhibits a sharp degradation at intermediate temperature due to intensified slip ...
M. Calvat, D. Anjaria, I. Woo, C. Bean, D. Texier, J. C. Stinville   +5 more
wiley   +1 more source