Engineer Engineering

Guannan Guo

** *********** **, ********* ** *****

**********@***.***; 508-***-****

OBJECTIVE:

Full time Metallurgical Engineer or Materials Engineer position

EDUCATION:

Worcester Polytechnic Institute (WPI), Worcester MA

PhD in Manufacturing Engineering, GPA 3.89/4.0, Oct 2016

Master of Science in Manufacturing Engineering, GPA 3.7/4.0, May 2012

Chongqing University, Chongqing China

Bachelor of Science in Material Science and Engineering, GPA 3.3/4.0, June 2010

Related Courses: Metallurgy of Steel; Advanced Thermodynamics; Finite Element Methods; Crystallization Observation

SKILLS:

Lab Techniques: Metallurgical graph; SEM; TEM; Micro-hardness test; OES; EDS; XRD; Quasi-static tension test

Application Software: Matlab; ImageJ; JMatPro; Abaqus; Microsoft office (Word, PowerPoint, Excel)

EXPERIENCE:

Research Assistant, WPI, Worcester, MA Aug 2012 – Present

Collaborate and lead master students in establishing thorough mathematical simulation of heat treatment process parameters effects on aluminum alloy properties.

Submit papers of heat treatment process parameters effects on aluminum alloys mechanical properties after literature review.

Communicate effectively in different groups to collect and document experiment data including, components, phases, yield strength, micro-hardness and stress-strain curves under different heat treatment processes.

Train XRD, SEM & TEM sample preparation, and experimental operation and results analysis.

Work out optimized constitutive models and precipitate models coded by Matlab and validated by actual large thin-wall aluminum component and engine block using Abaqus analysis.

Metallurgy Engineer Intern, CASTC, Beijing, China June 2014 – Jan 2015

Reduced radius expansion of large thin wall component of Al-Cu-Mn alloy after quenching by optimizing press quenching process parameters including immersing orientations and cooling rate via Abaqus analysis with upgraded UMAT subroutines.

Modified constitutive model to control deformation behaviors of Al-Cu-Mn alloy in press quenching.

Metallurgy Engineer Intern, General Motors Powertrain, Pontiac, MI July 2012 – July 2013

Reduced the thermal distortion of engine block made by A356 after aging process to improve the product reliability.

Developed the precipitate hardening models of A356 and regenerated using Matlab code to predict yield strength and constitutive behaviors of aluminum alloy in quenching and aging process.

Flange plate hardenability analysis, Faw Automotive, Changchun, China Nov 2014 – Nov 2014

Tested quenching hardness of flange plate in different press quenching conditions in oil quenchant.

Analyzed hardness profile of flange plates aiming at improving quenching performance via optimizes quenching time and immersing orientation.

PROJECTS:

Carbonitriding Tool registered-Modeling the Carbonitriding Process, Worcester, MA July 2012

Trained EDS and micro-hardness tests to examine microstructure component and micro-hardness variation profile.

Developed Carbonitriding simulation model to obtain hardness profile associated with carbon and nitrogen concentration and compared with results obtained by Thermal Calc. simulation software.

Grain Growth Kinetics of different steels, Worcester, MA July 2012

Developed grain growth models of 1045, 4140, 4340, 8620 and 52100 steel by microstructure identifications including OES, SEM, JMatPro and ImageJ.

PRESENTATIONS & PUBLISHMENTS

Carbonitriding Tool registered-Modeling the Carbonitriding Process, AIP Conference Proceedings, 2012

A Brief Review of Precipitation Hardening Models for Aluminum Alloy, ICME, 2013

Microstructure Effects on Mechanical Properties of Al-Cu-Mn alloy in Heat Treatment Process, ASM Heat Treat Society 28th Conference, 2015

Investigation on Tensile Property and Constitutive Relationship for As-quenched AlCu5Mn alloy, TMS 2015, March 15-19, 2015

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