Index Catalog // ScholarsArchive@OSU

Bearing qualities of various ferrous metals when tested against Micarta under water lubrication

Creator:: Liu, Shou Ying
Resource Type:: Masters Thesis
Full Text:: AGAINST MIOAR~A UNDER WATER LtnmiOATION bT SHOU YING LIU A THESIS submitted to OHIGON STATE

Mechanical properties of Nb-Ti composite superconducting wires

Creator:: Liu, He
Abstract:: Mechanical properties of Nb-Ti composite superconducting wires were tested at room temperature. The results were analysed using simple composite theory, the rule of mixtures. The objective is to predict the mechanical properties of Nb-Ti superconducting composite wires as a function of volume ratio and geometry of the components, the composite...
Resource Type:: Masters Thesis
Full Text:: wires AN ABSTRACT OF THE THESIS OF He Liu for the degree of Master of Science in Mechanical

Geometric Chatter Stability Index for Milling and Modeling of Chip Pulling Effect

Creator:: Maulimov, Mukhtar
Abstract:: Prediction and mitigation of chatter vibrations in machining operations and optimizing overall machining mechanics are crucial for achieving greater productivity and manufacturing efficiency. This thesis first explores effect of directional relationships on chatter stability in milling process. Based on the directional relationships, a geometry-based chatter stability index (CSI) is proposed...
Resource Type:: Masters Thesis
Full Text:: cutting force vector can be defined as 2 21 r a z u r a v K n K e f K K      (2.33

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Creator:: Yan, Dongqing
Abstract:: A nickel-based Hastelloy C22 powder with a nominal composition of Ni-21.30Cr-13.36Mo-1.92Co-2.94W-3.85Fe-0.23Mn-0.3V(wt%) and particle size distribution of D₁₀=23.8±0.3 μm, D₅₀=37.5±0.2μm, and D₉₀=59.3±1.1 μm was gas atomized to be used as a feedstock in Laser Powder Bed Fusion (LPBF). In this study, laser power and scanning speed were optimized to manufacture specimens...
Resource Type:: Masters Thesis
Full Text:: /j.apsusc.2017.12.108. [16] Z. Liu, C. Liu, Y. Gao, C. Zheng, High temperature corrosion behaviors of 20g

Additive Manufacturing of FeCrCoCuNi High Entropy Alloy via Laser Powder Bed Fusion and Nickel Aluminum Bronze via Laser Directed Energy Deposition

Creator:: Doyle, Ryan P.
Abstract:: High Entropy Alloys (HEA) exhibit unusual properties and are gaining interest as new materials for challenging applications in the aerospace, hypersonic and medical fields. The application of HEAs have been limited by the development of powder production at scale. A recently developed process of plasma spheroidization by 6K, inc. has...
Resource Type:: Masters Thesis
Full Text:: . [7] Kong, D.; Guo, J.; Liu, R.; Zhang, X.; Song, Y.; Li, Z.; Guo, F.; Xing, X.; Xu, Y.; Wang, W

Monte Carlo simulation of radiation heat transfer in a three-dimensional enclosure containing a circular cylinder

Creator:: Hong, Seung-Ho
Resource Type:: Masters Thesis
Full Text:: depth Y depth of enclosure z vertical direction Z vertical length of enclosure a absorptance or

Fracture toughness of void-site-filled skutterudites

Creator:: Eilertsen, James S.
Abstract:: Thermoelectric materials are playing an increasingly significant role in the global effort to develop sustainable energy technologies. Consequently, the demand for materials with greater thermoelectric efficiency has stimulated the development of state-of-the-art interstitially doped skutterudite-based materials. However, since intermetallics are often embrittled by interstitial substitution, optimal skutterudite-based device design, manufacture,...
Resource Type:: Masters Thesis
Full Text:: Park, Ohio, 2008. 12. Ruan, Z.-w.; Liu, L.-s.; Zhai, P.-c.; Wen, P.-f.; Zhang, Q.-j., Low-Cycle

Additive Manufacturing of Austenitic Oxide Dispersion Strengthened Alloy Using Powder Feedstock Gas-atomized with Elemental Yttrium via Laser Directed Energy Deposition

Creator:: Yang, Seongun
Abstract:: This study investigates the microstructure and mechanical properties of an austenitic Oxide Dispersion Strengthened (ODS) steel produced by the Laser Directed Energy Deposition (LDED) process using powder feedstock atomized with elemental yttrium. The Microstructure of the samples was characterized by electron microscopy, and mechanical properties were measured using a tensile...
Resource Type:: Masters Thesis
Full Text:: and challenges. Journal of Materials Science, 56, 64-107. [8] Grandhi, M., Ma, C., Liu, Z., &

Predicting rebound of planar elastic collisions

Creator:: Cruz-Conde Gret, Raphaël
Abstract:: Impact is a large and complex field. It embraces both structures as simple as a nail, and more complex systems, such as a car collision. A central feature of impact theory is finding the dependence between the velocities before and after impact. The transformation law of the velocities in an...
Resource Type:: Masters Thesis
Full Text:: of the tangential compliance was also demonstrated by Smith and Liu (1992). They used ANSYS, a

An analytical model for fatigue crack propagation

Creator:: Anderson, James L.
Abstract:: Beginning with the basic equations from the theory of elasticity and employing a model of crack propagation based on the concept of a constant plastic energy absorption per unti of crack extension, the commonly accepted power law of fatigue crack propagation was derived. This derivation uses an extension of the...
Resource Type:: Masters Thesis
Full Text:: a1r -r3-- (3) A short time later Liu(i4i)arrived at the same conclusion as Frost and Dugdale

ScholarsArchive@OSU

Bearing qualities of various ferrous metals when tested against Micarta under water lubrication

Mechanical properties of Nb-Ti composite superconducting wires

Geometric Chatter Stability Index for Milling and Modeling of Chip Pulling Effect

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Additive Manufacturing of FeCrCoCuNi High Entropy Alloy via Laser Powder Bed Fusion and Nickel Aluminum Bronze via Laser Directed Energy Deposition

Monte Carlo simulation of radiation heat transfer in a three-dimensional enclosure containing a circular cylinder

Fracture toughness of void-site-filled skutterudites

Additive Manufacturing of Austenitic Oxide Dispersion Strengthened Alloy Using Powder Feedstock Gas-atomized with Elemental Yttrium via Laser Directed Energy Deposition

Predicting rebound of planar elastic collisions

An analytical model for fatigue crack propagation

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