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51 746 (0,23s) •

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Influence of a Shrinkage-Reducing Admixture on the Damage to the Internal Structure of Alkali-Activated Composites Curing Testing of the Modulus of Elasticity

This article deals with an experimental determination of the static modulus. This experiment included an alkali-activated composite without a shrinkage-reducing admixture and the same composite with a shrinkage-reducing adm...

Civil engineering

  • 2018
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  • D
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  • Link
Result

Influence of sample preparation on determined nanomechanical properties of metastable calcium carbonate polymorphs

measurements were done on samples embedded in epoxy resins. Hardness and reduced modulus, respectively. Reduced modulus was found to be in the ranges 32 to 5 and 18 to 4 GPa, for vaterite and aragonite, respective...

Nano-processes (applications on nano-scale); (biomaterials to be 2.9)

  • 2018
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  • D
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Result

Nanoindentation testing of micro switches

The report deals with local mechanical testing of contacts of microswitches coated with Ag layer. Indentation hardness and reduced modulus were measured via a depth-sensing indentation method. The standard evaluation was complemente...

Applied mechanics

  • 2020
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  • Vsouhrn
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  • Link
Result

Laser annealing effect on mechanical properties of gear

The report deals with local mechanical testing of surface of a steel gear which was locally affected by a laser beam. Indentation hardness and reduced modulus were measured via a depth-sensing indentation method. The standard evalua...

Applied mechanics

  • 2020
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  • Vsouhrn
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  • Link
Result

Role of compactness on hardness and reduced modulus of vaterite determined with nanoindentation

. The highest values of reduced modulus and hardness were detected for vateritic pellet pressed at 60 kN. For this specimen, reduced modulus and hardness were found......

Inorganic and nuclear chemistry

  • 2019
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Result

Elastic properties of silicon nitride ceramics reinforced with graphene nanofillers

Elastic constants of silicon nitride composites with variable content (3-18 wt.%) of two kinds of graphene fillers (nanoplatelets and reduced graphene oxide sheets) are determined using resonant ultrasound spectroscopy. The corresponding You...

JI - Kompositní materiály

  • 2015
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  • Jx
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  • Link
Result

Improved Load-Bearing Capacity of Subbase as One of Potential Alternatives Allowing Reducing the Thickness of Asphalt Pavements

The article contains informations about the effect of the subbase modulus value on the value of relative pavement (or subbase) failure. The results of calculations proved the initial presumption that by reaching higher values of the modu...

JN - Stavebnictví

  • 2004
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  • D
Result

Functional sample of the modulus of layout tool of the agricultural machine

The functional sample of the modulus of layout of tool for the agricultural machine is innovation the modularity of the agricultural machine which has builded of larger-scale machines and thus larger areas in one pass, while reducing

Construction engineering, Municipal and structural engineering

  • 2020
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  • Gfunk
Result

The influence of a shrinkage-reducing admixture on the long-term development of dynamic properties in alkali-activated slag

The paper investigates the way a shrinkage-reducing admixture affects the long (AAS). Two AAS mortars were tested - one contained a shrinkage-reducing admixture in the dynamic modulus of elasticity at ages of 3 days through...

Civil engineering

  • 2019
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  • D
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Result

Measurement of mechanical properties of Low-E multilayer thin films

The report deals with local mechanical testing of Low-E multilayer thin films on a glass substrates. The indentation hardness and reduced modulus were measured using an instrumented indentation test. The adhesion-cohesion properties...

Materials engineering

  • 2023
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  • Vsouhrn
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