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Showing 1 to 20 of 65 for “"Internal friction"”.
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Internal friction of mixed-alkali silicate glasses
… effect in silicate glasses was examined from internal friction measurements made over the temperature range from -190 to 500⁰C and at a frequency of 0.4 Hz. Supplemental measurements of the activation energy for the different internal friction peaks, dynamic shear modulus, density, and index …
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Internal Friction of Copper and Copper Alloys
Made available in DSpace on 2015-05-12T17:12:01Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0016383.PDF: 3766886 bytes, checksum: 2b0ea78198cfb1045fbb218aff1494ce (MD5) Previous issue date: 1956
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Internal Friction in the Niobium - Hydrogen System
Made available in DSpace on 2014-12-12T01:04:04Z (GMT). No. of bitstreams: 1 7212081.pdf: 2310473 bytes, checksum: 7bdf52042e1cdcf7930174029e6a6463 (MD5) Previous issue date: 1971
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High Temperature Internal Friction in Potassium-Chloride
Made available in DSpace on 2014-12-10T17:57:44Z (GMT). No. of bitstreams: 1 6607801.pdf: 1436411 bytes, checksum: 22ccadf14ea82b98f227ba06ccb20a0e (MD5) Previous issue date: 1966
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Internal Friction and Diffusion in Alpha-Brass
Made available in DSpace on 2014-12-04T23:26:44Z (GMT). No. of bitstreams: 1 0018151.pdf: 2047089 bytes, checksum: 640ab976ad48cbef6968f3cf74af03ce (MD5) Previous issue date: 1956
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Internal Friction and Diffusion in Iron - Vanadium Alloys
Made available in DSpace on 2014-12-04T23:26:47Z (GMT). No. of bitstreams: 1 6000236.pdf: 3180198 bytes, checksum: ff2291599a60518a07c3164edb6b0db5 (MD5) Previous issue date: 1959
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Internal Friction in Intrinsic and N-Type Germanium and Silicon
Made available in DSpace on 2014-12-12T01:04:10Z (GMT). No. of bitstreams: 1 7414539.pdf: 3298819 bytes, checksum: 7ef8913ac39026a4ff1114008433b136 (MD5) Previous issue date: 1974
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The Internal Friction Cold Work Peak in The Niobium - Nitrogen System
Made available in DSpace on 2014-12-12T01:03:58Z (GMT). No. of bitstreams: 1 7105075.pdf: 6809901 bytes, checksum: a909a9243feb5d2c6db01a610644d038 (MD5) Previous issue date: 1970
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Low-Temperature Internal Friction in the Niobium - Hydrogen and Niobium - Oxygen - Hydrogen Systems
Made available in DSpace on 2014-12-12T01:04:10Z (GMT). No. of bitstreams: 1 7500364.pdf: 2681652 bytes, checksum: 4bcad42d06b9189eb9b576b4a5e3efb5 (MD5) Previous issue date: 1974
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A study of internal friction in a high chromium-high nickel stainless steel
… nitrided 40 hours and solution heat treated. No internal friction peaks were found in any of the experimental runs. There was no precipitation of nitrides during testing in the torsional pendulum. This was verified by an electron microscopic examination of the specimens after testing. Since there …
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The effects of nitrogen concentration between 0.27 per cent and 1.30 per cent on internal friction peaks in 304L stainless steel
… between 0.27 percent and 1.30 percent on the internal friction peaks in 304L stainless steel. The amplitude of the internal friction peak associated with the stress-induced diffusion of interstitial nitrogen increased as a linear function of the nitrogen content. The activation energy of …
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Interstitial-impurity trapping in Al-Fe and Al-Zn
… in the C' mode not previously seen in earlier internal friction measurements, together with an identification of this peak with the major defect species resolves the apparent contradiction between the internal friction and channelling symmetry evidence. This also allows for an interpretation in …
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The morphological, flow and failure characteristics of fractionated natural bulk material. Evaluation of flowability of fractionated powdered liquorice using a specially designed flowmeter. The particle morphology was assessed by computer image analysis and the failure properties by shear cell testing.
… consolidation stress and effective angle of internal friction were obtained. The effects of particle shape and size on the angle of internal friction, wall friction, bulk and packed densities were. investigated and the experimental correlations expressed in terms of mathematical equations. …
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Experimental Study on Viscoelastic Properties and Fracture Characteristics in Polymers
… under constant load;<br />2. To determine the internal friction (loss factor) of polymers under periodic loading condition;<br />3. To determine the delayed time or life time on fracture of the polymer under constant loading ; and<br /> 4. To verify the relationship, theoretically predicted, …
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Dynamic Friction Characterization of Tripod Constant Velocity (Cv) Joints: Experiments, Analysis and Modeling
… of this thesis is to develop a physics-based internal friction model of tripod CV joints that can be readily applied during new vehicle development. This model will replace current practices of using empirical fixed friction coefficient values. In order to achieve this goal, a prototype …
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Ultrasonic Pyrometer for Industrial Applications
… study of melting point, elastic constant, internal friction and thermal shock-resistance, the most significant parameters for this application, showed the refractory metals rhenium, molybdenum, iridium and platinum and the oxide ceramics alumina, magnesia, thoria and zirconia to be the most …
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Terrain parameter estimation and traversability assessment for mobile robots
… two important terrain parameters, cohesion and internal friction angle, is developed. The method uses onboard rover sensors and is computationally efficient. Terrain parameter estimation is of scientific interest, and can also be useful in predicting rover mobility on rough-terrain. A method to …
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Ultrasonic studies of radiation damage in an aluminum-manganese alloy
The MHz internal friction technique has been shown to provide accurate measurements of the properties of defects produced by a low dose of electron radiation. In spite of the optimum conditions for avoiding complications due to multiple interstitial and multiple solute atom complexes, the multiple …
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Correlation Force Spectroscopy for Single Molecule Measurements
… has enabled high-resolution measurements of the internal friction of a polymer. The concept of CFS was originally presented by Roukes' group in Caltech [Arlett et al., Lecture Notes in Physics, 2007]; I developed the first practical versions of CFS for experimentation, and have used it in two …
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