Results 121 to 130 of about 858,084 (294)

Ancestral Caddo Ceramic Vessels from the Wright Plantation (41RR7) and Rowland Clark (41RR77) Sites in the Harris Collection at the National Museum of Natural History, Smithsonian Institution [PDF]

open access: yes, 2016
The collection of R. King Harris at the National Museum of Natural History (NMNH) at the Smithsonian Institution has ancestral Caddo ceramic vessels from the Wright Plantation (41RR7) and Rowland Clark (41RR77) sites along the Red River in East Texas ...
Perttula, Timothy K.
core   +1 more source

Laser Metal Powder Deposition of Titanium Microalloyed HSLA Steel FeC0.12Si0.25Mn1.3

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the additive manufacturing of titanium‐doped high‐strength low‐alloy (HSLA) steel via laser metal deposition. It reveals distinct process‐structure relationships for elemental powder blends compared to prealloyed feedstocks.
Olaf Stelling   +2 more
wiley   +1 more source

PTNS: patent citation trajectory prediction based on temporal network snapshots

open access: yesScientific Reports
With the rapid development of science and technology, the pace of development in the knowledge economy is accelerating. Intellectual property, especially patents, is a strategic resource for technological innovation and a crucial support for building an ...
Mingli Ding   +3 more
doaj   +1 more source

Reduction of Oxide Inclusions During the High‐Frequency Welding of Steel via a Nonthermal Ar/H2 Plasma Jet

open access: yesAdvanced Engineering Materials, EarlyView.
High‐frequency (HF) welding of steel is limited by oxide inclusions that degrade weld quality. This study demonstrates, for the first time, the integration of a nonthermal Ar/H2 dielectric barrier discharge (DBD) plasma jet into HF welding. Local plasma treatment provides effective shielding and in‐situ oxide reduction, resulting in markedly fewer and ...
Viktor Udachin   +4 more
wiley   +1 more source

Ceramic Gas Turbine Technology Development [PDF]

open access: bronze, 1995
M. W. Rettler, M. L. Easley, J. R. Smyth
openalex   +1 more source

Use of Foundry Sands in the Production of Ceramic and Geopolymers for Sustainable Construction Materials [PDF]

open access: gold, 2023
Caterina Sgarlata   +4 more
openalex   +1 more source

Effect of ceramic coating of JT8D combustor liner on maximum liner temperatures and other combustor performance parameters [PDF]

open access: yes
The effect of ceramic coating of a JT8D combustor liner was investigated at simulated cruise and takeoff conditions with two fuels of widely different aromatic contents.
Butze, H. F., Liebert, C. H.
core   +1 more source

Caddo Ceramic Assemblages from Sites in the Ayish and Palo Gaucho Bayou Basins, San Augustine County, Texas [PDF]

open access: yes, 2016
In 1939 and 1940, G. E. Arnold recorded a number of archaeological sites in and around San Augustine, in East Texas, as part of a Works Progress Administration-funded (WPA) archaeological survey of East Texas.
Perttula, Timothy K.
core   +1 more source

Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

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