2020 International Metallographic Contest
Class 1 – Light Microscopy – All Materials
First Place and the Best in Show – Jacquet Lucas Award
Revealing the hierarchical microstructure of innovative additively manufactured metal parts with conventional light microscopy
Lavinia Tonelli
University of Bologna – Department of Industrial Engineer
Bologna, Italy

Honorable Mention
Development of hot work tool steel with improved thermal conductivity
Peter Kirbiš and Tatjana Večko Pirtovšek
SIJ Metal Ravne d.o.o.
Slovenia

Honorable Mention
Morphology and Dispersion of Nano & Micron-sized Titanium Particle Reinforcements in Gas Atomised Aluminium Powders
Nkem Nwosu
Metallography Services UK
United Kingdom

Class 2 – Electron Microscopy, All Materials
First Place
Condition Assessment of A-286 alloy Gas Turbine Wheel
Girish Shejale, Ashok Kandurkar, Darshan Ahire, and Vishal Suryawanshi
Al Masaood John Brown, Gas Turbine Services
Dubai

Second Place
Characterizing the dislocation substructure evolution in a high-entroy all via SEM
Zhangwei Wang
Max-Planck-Institut für Eisenforschung
Germany

Class 3 –Student Entries – All Materials (Undergraduate Students Only)
First Place and the George L. Kehl Award
A Tanto-lyzing Analysis of Differential Hardening
Karen Ni, Aidan Charmley, Jeffrey Tschirhart, and Jackson Eilers
University of Michigan – Bladesmithing Club
Ann Arbor, MI

Class 4 – Artistic Microscopy – Color
First Place
Aluminum Dendrites
Amir Farkoosh
Northwestern University
Evanston, IL

Second Place
Ex Nihilo
Kristina Rodgers
NASA Marshall Space Flight Center
Madison, AL

Third Place
Bismuth microstructure
Lukasz Boron
Krakow Institute of Technology
Krakow, Poland

Honorable Mention
Optical micrograph of Cu oxides and salts under polarized light illumination
Marianna Katsivarda
ELKEME – Hellenic Research Centre for Metals S.A.
Greece

Honorable Mention
As-cast experimental Mg alloy
Jessica Enos
Allied High Tech Products, Inc.
Rancho Dominguez, CA

Honorable Mention
Spiderweb
Noel Alejandro Quiroz Vergara
Universidad Nacional Autónoma de México
Mexico City, Mexico

Honorable Mention
Porosity above the sea of melt pool of additively manufactured CoCr alloy
Lavinia Tonelli
University of Bologna – Department of Industrial Engineer
Bologna, Italy

Class 5 – Artistic Microscopy – Black and White
First Place
River lines on the fracture surface of a high entropy alloy
Marianna Katsivarda
LKEME – Hellenic Research Centre for Metals S.A.
Greece

Second Place
Electron micrograph of Cu oxides, top view – 4000x
Marianna Katsivarda
ELKEME – Hellenic Research Centre for Metals S.A.
Greece

Third Place
Broken Pollen Grain
Ramesh Nagalakshmi
Bharat Heavy Electricals Limited
India

Honorable Mention
Deep Impact
Mauricio Mendes Costa
Centro Tecnológico da Marinha – DDNM – LACAM
São Paulo, Brazil

Honorable Mention
Electron micrograph of Cu oxides and salts, top view – 4000x
Marianna Katsivarda
ELKEME – Hellenic Research Centre for Metals S.A.
Greece

Other Entries
Class 1 – Light Microscopy – All Materials
Light Microscopy for Diiffusion Brazing Qualification of FSX 414 gas Turbine Nozzle Segments
Girish Shejale
Al Masaood John Brown Gas Turbine Services
Dubai

Class 2 – Electron Microscopy, All Materials
Effect of Heat Treatment on Microstructure Evolution of Inconel 718 Produced by Selective Laser Melting
Gabriel Demeneghi
NASA Marshall Space Flight Center
Huntsville, AL

Keeping reactions away
Jenniffer Bustillos
Cornell University, Ithaca, NY
and
Cheng Zhang, Alexander Franco, Benjamin Boesl, and Arvind Agarwal
Florida International University, Miami, FL

18Ni350 at 200x
Mauricio Mendes Costa
Centro Tecnológico da Marinha – DDNM – LACAM
São Paulo, Brazil

Amethyst
Noel Alejandro Quiroz Vergara
Universidad Nacional Autónoma de México
Mexico City, Mexico

Glitter Bomb
Sam McLeroy
Jacobs Space Exploration Group
Huntsville, AL
Aluminum Water Lilies
Sam McLeroy
Jacobs Space Exploration Group
Huntsville, AL

RainbowFish
Matt Medders
Bevilacqua Research Corporation
MSFC, AL

A City of Phases
Jenniffer Bustillos, Jinyeon Kim, and Atieh Moridi
Cornell University
Ithaca, NY

Nebula of Phases – Hot-rolled α-β Ti alloy
Jenniffer Bustillos
Cornell University, Ithaca, NY
and
Cheng Zhang, Benjamin Boesl, and Arvind Agarwal
Florida International University, Miami, FL

Wonderwall by Oasis
Kristina Rodgers
NASA Marshall Space Flight Center
Madison, AL

Cast Iron
Pablo Mendoza
Allied High Tech Products, Inc.
Rancho Dominguez, CA

Class 5 – Artistic Microscopy – Black and White
Rosettes of SiO2-ZrO2 ceramic
Mainak Saha. Sourajit Pramanik, Rajdeep Banik, Simrat Singh, and Manab Mallik
NIT Durgapur
Durgapur, West Bengal, India

Moon Surface
Noel Alejandro Quiroz Vergara
Universidad Nacional Autónoma de México
Mexico City, Mexico

The Alps
Noel Alejandro Quiroz Vergara
Universidad Nacional Autónoma de México
Mexico City, Mexico

5G Intelligent Metallurgical Mouse
Ramesh Nagalakshmi
Bharat Heavy Electricals Limited
Tiruchirappalli, TamilNadu, India

Electron fractograph showing fracture initiation at unfused (voids) dendrites which resulted in premature fracture of an additive layer manufactured titanium alloy (Ti-6AI-4V) femoral neck ancho
Nkem Nwosu
Metallography Services UK
Poole, Dorset, UK

Electron micrograph showing zinc(Zn)-rich beta phase stringers and inter and intragranular lead (Pb) and arsenic (As) grain boundary precipitates in a CW602N brass alloy
Nkem Nwosu
Metallography Services UK
Poole, Dorset, UK

Rorschach
Sam McLeroy
Jacobs Space Exploration Group
Huntsville, AL

Alumnum Zebra
Sam McLeroy
Jacobs Space Exploration Group
Huntsville, AL
Easter Island Egg Hunt
Kristina Rodgers
NASA Marshall Space Flight Center
Madison, AL

See You Later Aligator
Kristina Rodgers
NASA Marshall Space Flight Center
Madison, AL




