Peter Warren

Peter Warren
University of Central Florida | UCF · Department of Mechanical and Aerospace Engineering

About

13
Publications
688
Reads
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11
Citations
Citations since 2017
13 Research Items
10 Citations
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20172018201920202021202220230123456
Introduction

Publications

Publications (13)
Conference Paper
The main aim of the research work is to investigate the sintering behavior and its impact on the material properties of 3D printed 17-4PH stainless steel. The samples were manufactured by the Atomic Diffusion Additive Manufacturing technique, the Metal X system. Cooling holes were printed with the sample in different build orientations giving an ov...
Conference Paper
Additive manufacturing of metallic and ceramic components can provide several benefits for gas turbines. This technology can help to decrease time and cost required for prototyping of both operational components and assistive tooling equipment. There are currently many methodologies for metallic and ceramic material printing, and these processes ty...
Article
Cylindrical specimens of Martian and Lunar regolith simulants were molded using a simple salt water binder and sintered at various temperatures for comparing microstructure, mechanical properties and shrinkage. Material microstructure are reported using optical microscope and material testing is done using an MTS universal testing machine. A total...
Preprint
Full-text available
Cylindrical specimens of Martian and Lunar regolith simulants were molded using a salt water binder and sintered at various temperatures for comparing microstructure, mechanical properties and shrinkage. Material microstructure are reported using optical microscope and material testing is done using an MTS universal testing machine. The experimenta...
Article
Stress corrosion is a critical issue that leads to high costs in lost equipment and maintenance, affecting the operation and safety of aircraft platforms. Most aerospace structural components use the aluminum alloys 7xxx series, which contain Al, Cu, Zn, and Mg, due to the combined advantage of its high-strength and lightweight. However, such alloy...
Conference Paper
Stress corrosion is a critical issue that leads to high costs in lost equipment and maintenance, affecting the operation and safety of aircraft platforms. Most aerospace structural components use the aluminum alloys 7xxx series, which contain Al, Cu, Zn, and Mg, due to the combined advantage of its high-strength and lightweight. However, such alloy...
Conference Paper
Several image processing methods have been implemented over recent years to assist and partially replace on-site technician visual inspection of both manufactured parts and operational equipments. Convolutional neural networks (CNNs) have seen great success in their ability to both identify and classify anomalies within images, in some cases they d...
Conference Paper
Full-text available
Extra-terrestrial and extra-vehicular activity (EVA) require extreme remote maneuverability and dexterity. At the same time, such robots must be lightweight with the possibility of on-site fabrication, retrofitting and assembly. This poses a difficult problem for traditional robotic systems and robotic materials, which are typically bulky, cannot e...
Conference Paper
Growth of the Thermally Grown Oxide (TGO) between the bond coat and thermal barrier coating (TBC) during service is one of the most common causes of failure within thermal barrier coating (TBC) systems. Initially this oxide will provide protection from oxidation for the substrate, but stress build up will contribute to delamination of the topcoat....
Conference Paper
Analysis of the mechanics of an acoustic thermographic non-destructive evaluation (NDE) and its extension to an advanced acoustic wave generation is the topic of this paper. NDE is among the most effective and powerful materials evaluation and prognosis tool available for high performance turbomachines which increasingly incorporate advanced materi...
Conference Paper
The development of temperature sensing Thermal Barrier Coating (TBC) systems by phosphor thermometry has significant potential to achieve accurate non-destructive temperature measurement in the coating. The doping of coatings using rare earth elements is a viable option to enable the temperature measurement by the virtue of their luminescence. Whil...
Conference Paper
Ceramic composites are critical to advance the performance of engines, reducing weight and enhancing fuel efficiency in their use as structural parts or protective coatings. Understanding load transfer between the reinforcements and matrix materials that constitute these composites hold the key to elucidating their mechanical properties and consequ...

Questions

Question (1)
Question
I can model the vibrations in abaqus very easily, but I'm not sure how to model the crack.  Should this be a small extruded cut with frictional heat generation coming from the contact of the two surfaces?  Or maybe utilize one of abaqus's crack functions to model this?
It has been done in this video, but no explanation: https://www.youtube.com/watch?v=bh4tVlk6-HY

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