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