PHASE-TRANSITION

作品数：37被引量：45H指数：4
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Phase-Transitions at High, Very High, and Very Low Temperatures upon Nano-Indentations: Onset Forces and Transition Energies
《Advances in Materials Physics and Chemistry》2023年第6期101-120,共20页Gerd Kaupp 
This paper describes the phase-transition energies from published loading curves on the basis of the physically deduced FN = k-h3/2 law that does not violate the energy law by assuming h2
关键词：Aluminum Alloy Aviation Cosmology Epochal News High and Liquid Nitrogen Temperature Indentations Negative-Energy-Content Polymorph Molybdenum Phase-Transition-Energy 
Volume, Side-Area, and Force Direction of Berkovich and Cubecorner Indenters, Novel Important Insights被引量：1
《Advances in Materials Physics and Chemistry》2021年第11期212-241,共30页Gerd Kaupp 
The iteration-free physical description of pyramidal indentations with closed mathematical equations is comprehensively described and extended for creating new insights in this important field of research and applicat...
关键词：Closed Mathematical Formulas Force Direction Indenter Volumes and Side-Areas Iteration-less Calculations Equal Base-Area Cones PILE-UP Phase-Transition-Onset and -Energy 
Real and Fitted Spherical Indentations被引量：2
《Advances in Materials Physics and Chemistry》2020年第10期207-229,共23页Gerd Kaupp 
Spherical indentations that rely on original date are analyzed with the physically correct mathematical formula and its integration that take into account the radius over depth changes upon penetration. Linear plots, ...
关键词：Spherical Indentations Correct Formula Phase-Transition Onset Pressure False Johnson Formula Detection of Data Fittings 
Indentation onto Stishovite (SiO<sub>2</sub>), MgO, and a Covered Superalloy: “Pop-In” Repair, Phase-Transition Onsets, Polymorph Energies, and Transition-Energies被引量：3
《Advances in Materials Physics and Chemistry》2020年第3期77-95,共19页Gerd Kaupp 
The Berkovich indentation loading curves of the initially only extraterrestrial available polymorphs of SiO2 are physically analyzed by applying the now well established FN-h3/2 plots for conical/pyramidal indentation...
关键词：Berkovich INDENTATION Catastrophic Cracking Covered-Superalloy False Historical Concepts MGO Phase-Transition-Energy “Pop-In” Post-Stishovite STISHOVITE 
Physical Nanoindentation: From Penetration Resistance to Phase-Transition Energies被引量：3
《Advances in Materials Physics and Chemistry》2019年第6期103-122,共20页Gerd Kaupp 
-The ISO standard 14577 is challenged for its violation of the energy law, its wrong relation of normal force FN with impression depth h, and for its iterative treatments. The solution of this dilemma is the use of sa...
关键词：ENERGY Law VIOLATION ISO-14577 Challenge Calculation Rules for Indentations PHASE-TRANSITION ONSET and ENERGY Multiple Transitions Safety Problems 
Phase-Transition Energies, New Characterization of Solid Materials and Anisotropy被引量：2
《Advances in Materials Physics and Chemistry》2019年第4期57-70,共14页Gerd Kaupp 
Non-iterative analysis of indentation results allows for the detection of phase transitions under load and their transition energy. The closed algebraic equations have been deduced on the basis of the physically found...
关键词：Instrumented Indentation Loading Curve Phase Transition Onset and ENERGY Iteration-Less PLOT PHYSICAL EXPONENT Present ISO Standard ENERGY Law VIOLATIONS PHYSICAL Hardness Error Detections 
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