November 2021 - Msepostdoc-list

FW: nanoHUB Hands-on Machine Learning Workshop
by Stacey, Lisa A 12 Nov '21

12 Nov '21

Forwarding on behalf of Prof. Arun Kumar Mannodi Kanakkithodi: Lisa Stacey Administrative Assistant to the Department Head School of Materials Engineering Neil Armstrong Hall of Engineering o: 765-494-4095 f: 765-494-1204 [3749DD84]<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.purdue.edu_-3Futm-…> ________________________________ nanoHUB is excited to announce that a new workshop has been scheduled in the Fall 2021 session of our Hands-on Data Science and Machine Learning Training Series. Series information: Our series is aimed at active researchers and educators and designed to introduce practical skills with online, hands-on activities that participants will be able to incorporate in their own work. Hands-on activities will use nanoHUB cloud computing resources, negating the need to download or install any software. All that is required of the audience is an internet connection and an hour to spare for the demonstration. After the training sessions, you will be able to continue using nanoHUB for research or education. Recordings and associated materials from prior workshops can be found at the workshop webpage: https://nanohub.org/groups/ml/handsontraining<https://click.mail.nanohub.org/?qs=fa5d19fdba110be3328ac7c0e6aa1c23ed02fcba…> Register soon as seats are limited. Date/Time: Wednesday, November 17, 2021 / 1:00 PM - 2:00 PM EST Title: Integrating Machine Learning with a Genetic Algorithm for Materials Exploration Presenter: Joe D. Kern, Georgia Institute of Technology, Ramprasad Group Register for this workshop here<https://click.mail.nanohub.org/?qs=fa5d19fdba110be31df082c3e47a7f7022739f4c…> Abstract: The genetic algorithm is a computer algorithm inspired by nature: selecting parents of a generation via some fitness function, crossing-over the parent genes (reproduction), and randomly mutating the genes of the children. In this talk, we will explore how this algorithm can be used for materials discovery by: 1. Generating swift material property prediction using machine learning (ML) 2. Creating an algorithm to design new materials from combinations of prior ones 3. Integrating the ML property predictors with the design algorithm to discover new materials PolyGA, an implementation of the genetic algorithm for the polymer domain, will be used as the basis for this exploration. Bio: Joe D Kern is a Materials Science and Engineering graduate student at the Georgia Institute of Technology in the Ramprasad Group. Prior to graduate school, he dual majored in Materials Science and Computer Science at the University of Wisconsin - Madison and spent six years in the Minnesota National Guard as an Arabic Linguist. His research involves utilizing computational techniques, such as genetic algorithms and machine learning, to expedite materials discovery in the polymer chemical space. Regards, Alejandro Strachan Deputy Director, nanoHUB Arun Mannodi Kanakkithodi (he/him/his) Assistant Professor, School of Materials Engineering, Purdue University https://www.mannodigroup.com/

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FW: Special Analytical Seminar, Monday, November 15, 2021
by Son, Rosemary E 12 Nov '21

12 Nov '21

From: Hanna, Thomas J Sent: Friday, November 12, 2021 9:41 AM To: Mechanical Engineering Graduate Office <megradoffice(a)purdue.edu>; Elwell, Cathy L <celwell(a)purdue.edu>; Golden, Matt <goldenm(a)purdue.edu>; Ricksy, Jennifer R <jricksy(a)purdue.edu>; Zimmerman, Nicole K <nzimmerm(a)purdue.edu>; Son, Rosemary E <son39(a)purdue.edu>; Johnson, Beverly J <bevjohnson(a)purdue.edu>; Delaney, Morgan J <mdelane(a)purdue.edu> Subject: Special Analytical Seminar, Monday, November 15, 2021 Please distribute to your respective areas the attached announcement notice for the Special Analytical Seminar on MONDAY, November 15, 2021. Where: BRWN 4102 When: Monday, November 15, 2021 Time: 9:30-10:30am Special Guest Speaker: Bryon Drown Bioanalytical Chemistry, NCI NRSA Fellow Northwestern University Title: "Chemical and Analytical Approaches for Understanding and Combating Human Disease" See attached Abstract. Thank you, Tom Hanna Administrative Assistant to: Analytical Division of Chemistry Professors Claridge, Kenttämaa, A. Laskin, J. Laskin, McLuckey, Simpson, Wirth, C. Zhang Organic Division of Chemistry Professors Axelrod, Chmielewski, Lipton, Mao, Mei, Sintim Department of Chemistry BRWN 5171A Purdue University 560 Oval Drive West Lafayette, IN 47907-2084 hanna9(a)purdue.edu<mailto:hanna9@purdue.edu> 765-494-5267

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KR Sridhar, EEE Virtual Seminar Nov. 18, 4 PM
by Stacey, Lisa A 10 Nov '21

10 Nov '21

Forwarding on behalf of Environmental and Ecological Engineering, please consider attending... Lisa Stacey Administrative Assistant to the Department Head School of Materials Engineering Neil Armstrong Hall of Engineering o: 765-494-4095 f: 765-494-1204 [3749DD84]<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.purdue.edu_-3Futm-…> ________________________________ [cid:image005.jpg@01D7D63A.B37908E0] Nina L Robinson, PhD Administrative Director, Environmental and Ecological Engineering Potter Engineering Center, 500 Central Drive, West Lafayette, IN 47907 o: 765-496-7578 f: 765-494-4482 [cid:image001.png@01D7D62C.C7A03770]<https://www.purdue.edu/?utm_source=signature&utm_medium=email&utm_campaign=…>

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Final Exam Seminar Friday, December 3, 2021, 3:30 PM at ARMS 1103
by Morgan, Yuan-Yu Karen 10 Nov '21

10 Nov '21

Please consider attending this seminar: MATERIALS ENGINEERING SEMINAR "EXPLORING THE TUNABILITY OF MARTENSITIC TRANSFORMATION IN SHAPE MEMORY ALLOYS VIA COHERENT SECOND PHASE" By Shivam Tripathi Purdue MSE Ph.D. Final Exam Advisors: Professor Alejandro Strachan and Professor Michael Titus ABSTRACT Shape memory alloys (SMAs) belong to an important class of active materials. Beyond shape memory, these alloys exhibit super-elasticity and pseudo-plasticity, all originating from a reversible phase transformation from a high-temperature austenitic phase to a low temperature martensitic phase. Their unique thermo-mechanical properties make these SMAS desirable for a wide range of applications in automobiles, robotics, aerospace, construction, and medicine. Only a fraction of the known metallic alloys exhibits martensitic transformations, and a relatively small subset exhibits shape memory. Given this limited pool of SMAs, tunability of this martensitic transformation and, hence, thermo-mechanical properties is a way to move forward for effectively designing the next-generation SMAs for specific applications. The modification in composition has always been at the heart of designing new SMAs for future applications. However, a relatively recent discovery of incorporating a second non-transforming phase in base martensitic materials to tune martensitic transformation to achieve unprecedented thermo-mechanical properties has shown great promise. The objective of this work is to utilize the second phase to provide design guidelines for next-generation SMAs and to understand the detailed physics behind the experimentally observed unprecedented thermo-mechanical properties in SMAs as a result of the incorporation of coherent second phases. We first investigate Mg-Sc shape memory alloys that are attractive for a wide range of applications due to their low density. Unfortunately, the use of these alloys is hindered by a low martensitic transformation temperature (173 K). We observe from first-principles calculations that epitaxial strains arising from appropriate substrate or coherent second phase selection increase the martensitic transformation and operational temperature to room temperature. Next, we develop a novel approach to induce martensitic transformation in composite systems of two non-transforming materials. While we demonstrate this approach for the technologically relevant ultra-lightweight Mg/MgLi superlattices, however, our approach is general and will open a wide material space for the discovery and design of next-generation SMAs. Finally, to bridge the gap between computationally studied single-crystalline materials and experimentally studied polycrystalline systems, we characterize the role of nanoscale precipitates on temperature- and stress-induced martensitic phase transformation in nanocrystalline Ni63Al37 SMAs using multi-million-atoms molecular dynamics simulations. Simulations provide the understanding of underlying atomistic mechanisms of experimentally observed unprecedented thermo-mechanical properties and the guidelines to design low-fatigue ultra-fine grain shape memory alloys. As a result of the exploration of novel thermomechanical properties in SMAs via coherent second phases, we also published a software package to discover coherent precipitates within a base multi-component system by coupling high-throughput equilibrium thermodynamics calculations with strain-based lattice matching. Date: Friday, December 3, 2021 Time: 3:30 P.M. Place: ARMS 1103 Yuan-Yu Karen Morgan,Ph.D. Academic Advisor-Graduate Program School of Materials Engineering Neil Armstrong Hall of Engineering, Room 2217 765-494-4103 ymorgan(a)purdue.edu<mailto:ymorgan@purdue.edu>

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Correction: MSE 690 Nov 12 John Lewandowski - Nov 15 details inside
by Ku Blanco, Aury Y 10 Nov '21

10 Nov '21

Correction: Last e-mail's subject line incorrectly read Nov 15 instead of Nov 12 - please do join us on Monday, Nov 15th for Prof. Karen Winey's<https://winey.seas.upenn.edu/> visit at 3:30 PM in ARMS 1010. Thanks, Aury From: Ku Blanco, Aury Y Sent: Wednesday, November 10, 2021 9:31 AM To: msegradstudent-list(a)ecn.purdue.edu; msepostdoc-list(a)ecn.purdue.edu; msefaculty-list(a)ecn.purdue.edu; msecourtesy-list(a)ecn.purdue.edu Cc: Stanciu, Lia A <lstanciu(a)purdue.edu>; Titus, Michael S <titus9(a)purdue.edu> Subject: CANCELED: MSE 690 Nov 15 John Lewandowski Good Morning, This Friday's MSE 690 seminar with Prof. John Lewandowski is canceled. Apologies for any inconvenience. Thank you, Aury Ku she/her/hers Administrative Assistant Materials Engineering Neil Armstrong Hall of Engineering 701 W Stadium Ave, ARMS 2300 West Lafayette, IN 47906 o: 765-494-4100 f: 765-494-1204

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CANCELED: MSE 690 Nov 15 John Lewandowski
by Ku Blanco, Aury Y 10 Nov '21

10 Nov '21

Good Morning, This Friday's MSE 690 seminar with Prof. John Lewandowski is canceled. Apologies for any inconvenience. Thank you, Aury Ku she/her/hers Administrative Assistant Materials Engineering Neil Armstrong Hall of Engineering 701 W Stadium Ave, ARMS 2300 West Lafayette, IN 47906 o: 765-494-4100 f: 765-494-1204

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Job opportunity at a startup in Chicago
by Morgan, Yuan-Yu Karen 09 Nov '21

09 Nov '21

Dear Graduate Students and Postdocs, Celadyne Technologies, Inc is a startup currently based in Chicago and associated with Argonne National Lab and is funded through the DoD, DoE, NSF and the Breakthrough Energy Coalition (Bill Gates' climate coalition). They are currently looking for two great candidates who are interested in working in a fast paced startup environment on new fuel cell technologies. Good luck with your application! Postings here: https://www.indeed.com/viewjob?t=senior+engineer&jk=05a13a719ea9fa43&_ga=2.… https://www.indeed.com/viewjob?t=engineer&jk=1862ddf0846e436c&_ga=2.1342218… Boiler Up, Dr. Morgan Yuan-Yu Karen Morgan,Ph.D. Academic Advisor-Graduate Program School of Materials Engineering Neil Armstrong Hall of Engineering, Room 2217 765-494-4103 ymorgan(a)purdue.edu<mailto:ymorgan@purdue.edu>

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MSE 690 Nov 15 John Lewandowski, ARMS 1010, 3:30 PM
by Ku Blanco, Aury Y 09 Nov '21

09 Nov '21

Hi all, Please join us this Friday at 3:30 PM in ARMS 1010 for Prof. John Lewandowski<https://case.edu/issacs/faculty-associates/john-lewandowski>'s presentation on the Advanced Manufacturing and Mechanical Reliability Center<https://ammrc.case.edu/> at Case Western University. [cid:image001.jpg@01D7D582.E14B9250] Thank you, Aury Ku she/her/hers Administrative Assistant Materials Engineering Neil Armstrong Hall of Engineering 701 W Stadium Ave, ARMS 2300 West Lafayette, IN 47906 o: 765-494-4100 f: 765-494-1204

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Final Exam Seminar, Monday, Nov. 22, at 1:30 pm at HAMP 1266
by Morgan, Yuan-Yu Karen 08 Nov '21

08 Nov '21

Please consider attending this seminar: MATERIALS ENGINEERING SEMINAR "Design and Processing of NiCo-based Superalloys for the Study of Solute Segregation at Planar Defects During High Temperature Deformation" By Sae Matsunaga Purdue MSE Ph.D. Final Exam Advisors: Professor Michael Titus ABSTRACT Ni-based superalloys have been widely used for high temperature applications such as turbine blades for jet propulsion and power plants due to their excellent creep, fatigue, and corrosion resistance. But as the demand for higher temperature capability and strength increases, there remains a need to better understand high temperature deformation mechanisms and improve and strengthen superalloys at these elevated temperatures. Recently, a correlation has been observed between solute segregation at planar defects (stacking faults, antiphase boundaries, etc) and enhanced high temperature creep properties - known colloquially as phase transformation strengthening. Experimentally, regardless of alloy composition, strong Co segregation at planar defects along with Cr has been observed. In addition, it has been suggested by density functional theory work that Co would promote Cr concentration at stacking faults by forming strong Cr-Co bonds. Based on these findings, it was hypothesized the presence of Co provides a significant thermodynamic driving force for segregation to planar defects. In order to further investigate the correlation between solute segregation and deformation mechanisms the fabrication of a planar front single crystal Ni-based superalloy and its microstructure, alloy composition, and microhardness properties of the as-zone melted and solution heat treated states were investigated and compared to the directionally-solidified state to study the effect of microsegregation on these alloy characteristics. Next, new Co-containing, Cr-free alloys are designed to optimize gamma-gamma' volume fraction, size, and morphology to mimick microstructures observed in single crystal superalloys. The general alloy design strategy and approach are outlined, and the composition, microstructure, phase transformation temperatures, and mechanical properties of new Cr-free and Co-containing alloys are reported. A new set of Cr-free alloys have thus been designed, with modifications of Nb, Ta, and Ti additions ranging from 3 to 7 at.% to investigate the role of these elements on the phase transformation strengthening mechanism at elevated temperatures. Date: Monday, November 22, 2021 Time: 1:30 P.M. Place: HAMP 1266 or Join from the meeting link https://purdue.webex.com/purdue/j.php?MTID=mf23fce9475ea4d01fefa71ab1edf8013 PURDUE MSE [cid:image002.png@01D7D4C0.5C6CEA10]

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Preliminary Exam Seminar, Monday, Nov 22 at 9 AM by Webex
by Morgan, Yuan-Yu Karen 08 Nov '21

08 Nov '21

Please consider attending this seminar: MATERIALS ENGINEERING SEMINAR "Role of Surface Energy on the Growth of Vertically Aligned Nanocomposite Thin Films" By Jiawei Song Purdue MSE Preliminary Exam Advisor: Professor Haiyan Wang ABSTRACT Vertically aligned nanocomposite (VAN) thin films are widely explored due to their ability to couple different functionalities and induce three-dimensional strain. Several material systems have been studied include oxide-oxide, oxide-metal, and nitride-metal systems. Thermodynamic analysis of the nucleation and growth process is needed to understand the growth mechanism of self-assembled VAN structure. Thin film growth is affected by multiple factors, such as surface energy, lattice strain, crystal structure, and composition ratio. This review discusses how surface energy affects the growth of VAN thin films and proposes a design guideline for exploring new material systems. Date: Nov 22, 2021 Time: 9:00 AM WebEx: https://purdue.webex.com/purdue/j.php?MTID=m212b44464e40df23ee6c87a4c9fe62eb

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