Results 31 to 40 of about 33,572 (231)
An Elastomer Additive Improving Elastic Properties of Heavy Weight Oil Well Cement: A Laboratory Study [PDF]
Journal of Petroleum Science and Technology, 2016 The use of elastomer additives to solve the problems in oil well cementing has been investigated in recent years by several research groups in the petroleum industry.
hamid soltanian +3 more
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Vacuum mixing technology to improve the mechanical properties of ultra-high performance concrete [PDF]
, 2015 Ultra-high performance concrete is an important evolution in concrete technology, enabled by the combination of a good particle packing density, a suitable mixing procedure and compatible binders and admixtures.
De Schutter, Geert, Dils, Jeroen
core +2 more sources
Analysis of diffusion law of dynamic water grouting in crack based on time-varying viscosity
Meikuang Anquan, 2023 In order to explore the diffusion law of viscosity time-denatured slurry in a dynamic water environment, taking NF cement-based slurry as the research object, the time-varying test of slurry viscosity was carried out, and the time-varying function of ...
ZHANG Jiafan, HUANG Sicong, LIU Yang, QIN Xiangrui, WANG Fuyu, ZHANG Huimei
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Advanced Materials Technologies, EarlyView.Recent research on laser‐processed cermets and cemented carbides highlights significant advancements, yet a notable paucity of studies and persistent challenges remain. Efforts are increasingly focused on developing low‐cost, environmentally friendly cermets as alternatives to conventional materials.
Himanshu Singh Maurya +2 more
wiley +1 more source
Magnesium-Containing Slurry as Technogenic Alternative Raw Material for Magnesium Oxychloride Cement [PDF]
, 2019 It has been shown experimentally that a waste of magnesium metal production is a realistic alternative to naturally occurring cement raw materials. The waste is the carnallite slurry forming during the chlorination stage.
Lipunov, I. N., Pervova, I. G.
core
Repeated autogenous healing in strain-hardening cementitious composites by using superabsorbent polymers [PDF]
, 2016 info:eu-repo/semantics ...
De Belie, Nele, Snoeck, Didier
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Low Thermal Conductivity Cement Slurry for Geothermal Well Cementing
Zuanjingye yu wanjingyeIn geothermal energy development, the heat loss of cement sheath plays a key role in affecting heat extraction efficiency. In this study, using class G cement as the base slurry, and hollow glass microspheres and modified palygorskite fiber as composite ...
Donghong DANG +5 more
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Recipe of Lightweight Slurry with High Early Strength of the Resultant Cement Sheath
Energies, 2020 Admixtures of mineral or waste filling materials are used to reduce slurry density. However, the sheath made of lightweight cement slurry has low mechanical performance at the initial bonding time. The required strength is achieved later.
Marcin Kremieniewski
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Anti‐Slip Material‐Based Strategies and Approaches
Advanced Materials Technologies, EarlyView.This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani +3 more
wiley +1 more source
Applied SciencesTo investigate the diffusion law of ultrafine cement slurry (UCS) with different water–cement ratios in tunnel second lining cracks during grouting, the grouting of ultrafine cement slurry with different water–cement ratios was carried out by ...
Bin Zhang +6 more
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