Yi Sun has extensive experience in materials engineering and research. He holds an M.S. in Materials Science from the University of Wisconsin-Madison and a B.E. in Materials Science and Engineering from Tsinghua University in Beijing, China. As a Materials Engineering Technology Engineer at Bechtel, he has worked on several major LNG and chemical projects, where he was responsible for materials selection, specifications development, and engineering support. Previously he conducted research at the University of Wisconsin on developing metal matrix composites through modified casting techniques and particle reinforcement to achieve enhanced properties.

1. Yi Sun
M.S., Materials Science, University of Wisconsin-Madison, August 2012
B.E., Materials Science and Engineering, Tsinghua University, Beijing, China, July 2010
Member, National Association of Corrosion Engineers, American Society of Mechanical
Engineers
FIELD OF EXPERIENCE including materials selection, corrosion control, welding and
NDE, failure analysis, LNG, chemical processing facilities, offshore production platform.
Materials Engineering Technology (MET) Engineer
Bechtel Oil, Gas & Chemicals Inc., Houston, Texas
Joined Bechtel in 2012
 Engineer Group Supervisor on Corpus Christi LNG Project, EPC: Responsible for developing
materials selection philosophy and diagrams; preparing project specifications; reviewing
mechanical data sheets, MRs, and P&IDs; coordinating project noise, coatings, and insulation
activities; addressing client comments; providing support to construction;
 MET Engineer on Magnida Fertilizer Project, Pre-FEED: Responsible for preparing
engineering specifications based on client requirements, industry standards and Bechtel
practice; developing materials selection diagrams; coordinating engineering efforts between
MET and other engineering disciplines to provide project support on materials selection,
corrosion control, welding requirements and risk & cost analysis; identifying failure
mechanism and areas of instability in ammonia storage unit
 MET Engineer on BG Lake Charles LNG Liquefaction Project, Pre-FEED: Responsible for
preparing engineering specifications; developing project materials selection diagrams;
managing the workload of MET group within budget and schedule.
 MET Engineer on Sabine Pass LNG Liquefaction Project, EPC: Responsible for reviewing
vendors’ arrangement drawings, welding and NDE procedures; reviewing mechanical data
sheets, P&IDs and MRs; assisting in development of materials selection philosophy.

2. Nano-Engineered Materials Processing Center (NEMPC), University of Wisconsin-
Madison
Research Assistant, September 2010-August 2012
 Developed ultra-high performance metal matrix composites by modified casting with core-
shelled particles
 Identified suitable particle/matrix systems, based on theoretical calculation, to achieve desired
particle distribution and properties enhancement
 Explored mechanisms of grain refinement of primary and secondary phases in composites
 Investigated effect of chemical composition on mechanical properties of as-cast and heat-
treated Al-Cu alloys
 Enhanced hot tearing resistance of aluminum alloys via controlled eutectic modification
 Performed SEM, TEM, XRD, metallographic and fractographic examination to characterize
microstructure of composites
 Improved grinding, polishing and selective etching processes for characterizing metal matrix
composites
 Implemented Polarized Light Microscopy to measure grain size of metal and metal alloy
 Developed processes to feed and disperse particles into molten metal via ultrasonic wave
 Collaborated with industrial partners to design the processing system for batch production of
metal matrix composites
 Experienced in permanent mold casting, sand casting and machining
 Designed and machined parts and apparatuses for the laboratory
Bechtel (China) Engineering & Construction Company Ltd., Shanghai, China
Engineering Intern, August – September (5 weeks) 2008
 Prepared material quantity estimates for water supply & drainage system, underground piping
 Participated in plumbing piping system layouts design for the Alcan China Rolled Products
Project
PUBLICATION
 Yi Sun, Hongseok Choi, Hiromi Konishi, Vadim Pikhovich, Robert Hathaway, Lianyi Chen
and Xiaochun Li, “Effect of Core-Shelled Nanoparticles of Carbon-Coated Nickel on
Magnesium”, Materials Science and Engineering: A, Vol. 546 (June 2012), pp. 284-290
 Hongseok Choi, Yi Sun, Ben Slater, Hiromi Konishi and Xiaochun Li, “AZ91D/TiB2
Nanocomposites Fabricated by Solidification Nanoprocessing”, Advanced Engineering
Materials, Vol. 14 (May 2012), pp.291-295
 Yi Sun, Hongseok Choi and Xiaochun Li, “Composition Optimization for A206/Al2O3
Nanocomposite”, Metalcasting Congress 2013, St. Louis, Missouri