One of the challenges confronting oil and gas operators — especially those working in areas with low fracture gradients or weak formations such as the Delaware, Anadarko and Permian Basins — is ...
Ultra-high performance concrete (UHPC) is an enhanced fibrous and cementitious concrete with high compressive strength (120–250 MPa) particle packing density (0.825–0.855, tensile strength (15–20 MPa) ...
A new generation of refractory alloys with excellent high-temperature performance is urgently demanded for aero-engines, gas turbines, and nuclear power plants. As the service temperature of their hot ...
Currently, the rebound hammer is widely used for estimation of compressive strength of concrete as general testing method. Although rebound hammer has made great contribution for compressive strength ...
Measuring the in-situ compressive strength of concrete in final structures is an essential but challenging process. Coring combined with non-destructive rebound hammer measurements provides the most ...
Carefully controlled post-sintering deformation proves key to boosting strength while preserving ductility in Cu-SiC materials used for thermal and electrical ...
Los Angeles could have to rebuild over 30% of the city. California has fires, earthquakes, high winds and other risks. Replacing hundreds of billions in residential and commercial buildings and roads ...
The aerospace industry has been experiencing a period of strong growth. The latest generation of efficient aircraft have helped reduce fares, allowed more non-stops and new city pairs, and enabled the ...
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