Ji Su Lee

Related Major studies

Non-Destructive Examination, Advanced Failure Analysis, Material Extraction & Synthesis, Advanced Materials Processing, Advanced Concepts in Material Science and Engineering, Phase Transformations & Microstructures, Metallography & Microstructure Interpretation

Thesis: The Study of Non-Permanent Tattoo Ink Using Nano Silver Compounds and Untact 3D Printing Technology

Related Major studies

Corrosion, Failure Analysis, Metal Processing, Structural Characterizations, Composite Materials, Printable Materials, Fundamentals of BME (Biomedical Materials Engineering), Materials Synthesis & Manufacturing, Mechanical Behavior of Materials, Metal/Materials Design & Practice, Nano Functional Physical Metallurgy and Rate Process 

(GPA: 3.59/4.00)

Related Major Studies

·        Manufacture metallic components for automobile parts: CV (Outerrace), Drive Shaft, Chassis (Knuckle and Carrier)

·        Heat Treatments for Turned materials (Outerrace): High Frequency Heat Treatment (Hardness) and Tempering Processes (Toughness)

·        Heat Treatments for Turned materials (Drive Shaft): Induction Hardening Heat Treatment, Sand blasting, and Painting Processes

·        Manage CNC Programs (FANUC) for machining parts after Heat Treatments: EMAG (Outer Diameter), TSPrecision (Inner Diameter)

·        Responsible for Planning and Managing production activities

-         Analyze Daily & Weekly Production Results and Operating Rates

-         Enhance Manufacturing Operations to increase Production efficiency and to reduce Defects

-         Manage Production lines & Oil (Heat Treatment Quenching, Cleaning, Anti-rust, hydraulic) & Machining Inserts & Heat Treatment Coils

-         Manage Field workers and Hire new workers as a CV Part Manager

·        Develop & manage Cooperative companies which supply disassembled parts: Analyze Capability, Quality, Production costs & Delivery periods

·        Purchase Disassembled parts from Suppliers & Subsidiary production support materials

·        Build a Computerized (Paperless) Purchasing System away from Offline Paper-based Purchasing System

·        Thesis: Untact Non-permanent Silver Nitrate Tattoo Ink Application of Internet of things (IoT) 3D printer

-         Synthesis of Silver Nitrate Ink, 3D Printing of Non-surgical Tattoo using Untact System

·        MME 3306 Rate Process

Printing Nano Engineering Lab, University of Texas at El Paso, USA                                                Aug 2017–Dec 2017

·        High Viscosity 3D Printing using Big Rep 3D printer

-         Print Artificial Bones and Biomedical Equipment

·        ECM 3 day process (Extra-cellular matrix. Storage ECM for Cell growth factor)

-         Extract Cells from Fats & Freeze drying to Remove DNA and RNA in Cells

Project career

1)       Failure Analysis project (Fall 2017): Helicopter landing gear

2)       Senior design project (Spring 2018): Three Journals used in A/C Compressor (As-casted, Machined induction hardened, Cryogenic Liquid Nitrogen)

3)       Mechanical Behavior project (Spring 2018): Degree of Carburization affected by temperature, processing time and kind of alloys (1018, 1045 and 4140 steels)

4)       Structural Characterization (Fall 2018): Analysis unknown fibers, polymer beads and powder with FRIR-ATR, SEM and XRD