SOHAM RAY

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EDUCATION

Carnegie Mellon University Pittsburgh, USA

M.S in Material Science and Engineering, GPA 3.65 / 4.0, May 2017 Birla Institute of Technology Ranchi, India

B.E. in Mechanical Engineering, first class with distinction, June 2015 WORK EXPERIENCE

Nucor Steel Arkansas, USA

Metallurgist October 2017 – Present

- Electric arc furnace optimization

- SmartArc: decreasing cycle times by optimizing power input in SmartArc module and slag foaming by implementation of Cao-MgO dual saturated slag practice

- Study of phosphorus distribution in slag-metal interface: determination of temperature, FeO level, and basicity of slag to dephosphorize high phosphorus pig iron by using thermodynamic simulation and plant trial validation

- Secondary steel refining

- Inclusion modification: improvement of Ca wire addition model by incorporating stirring energy and desulfurization kinetics leading to reduction of downgrades due to under-modification

- Product development

- High Si non-grain oriented electrical steel: working with the product development team to study the effects of thermo-mechanical treatment, hot-band annealing, cold rolling, and skin- passing on texture of high Si steel to improve magnetic permeability and reduce core losses

- Cold rolled 550 MPa HSLA steel: determination of ideal hot rolled coiling temperature, cold rolling, and heat treatment

- Quality disposition, process improvement, and defect investigation through gauge R&R studies, failure mode and effect analysis (FMEA), root cause analysis, and measurement system analysis (MSA)

- Review of orders, addressing customer inquiries and claims

- Internal auditing in accordance with IATF 16949 and ISO 9001 standards TCB Cert. Worldwide, Kuwait

Engineer Surveyor June 2015 – June 2016

- Participation in certification audits for ISO 9001:2008 QMS on behalf of NQA, UK

- Third party inspection of

- Tubular drill pipe manufacturing of grade S-135 as per API 5CT

- Spiral submerged arc welded pipe manufacturing of grade X pipes as per API 5L 45th edition

- Pressure vessels and heat exchangers as per ASME Sec VIII 2010

- 3LPE & fusion bonded epoxy coating as per NACE MR 0175

- Valves: Inconel 718, super duplex stainless steel and plain carbon steel SKILLS

- Software: FactSage, JMatPro, MS applications (Word, Excel, PowerPoint), SolidWorks, ANSYS, ImageJ

- Laboratory: Scanning electron microscopy (SEM), X-ray diffraction (XRD), laser confocal scanning microscopy, nondestructive testing (ultrasonic, magnetic particle, eddy current, radiography), tensile testing, charpy impact testing

SOHAM RAY

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- Relevant coursework: Solidification processing, thermodynamics, defects in materials, mechanics of materials, structure of materials, kinetics of diffusion, texture and microstructure, additive manufacturing

ACADEMIC RESEARCH / PROJECT

- Melting behavior of direct reduced iron (DRI); November 2016 – September 2017

- Conversion of deposited carbon from cementite to graphite in DRI pellets

- Investigation of the role of carbon in graphitic and cementite form in the melting behavior of DRI using laser confocal scanning microscopy

- Additively manufactured Ti-6Al-4V performance evaluation; August 2016- October 2016

- Multiscale mechanical property measurements and microstructure characterization

- Study of various post heat treatment methods

- Electromagnetic projectile launching system (EPLS) design and build; October 2014 – March 2015

- Design of an Al 7025 2-rail structural framework and pressure absorption system

- Simulation of stress patterns on rails, heat signatures and projectile velocity profiles using ANSYS

REFERANCES

- Dr. P. Chris Pistorius

Professor and co-director of Centre for Iron and Steelmaking Research Department of Materials Science and Engineering

Carnegie Mellon University, Pittsburgh, USA

Email: adeqhl@r.postjobfree.com

Phone: +1-412-***-****

- Dr. Igor Vieira

Product development metallurgist

Nucor Steel Arkansas

Email: adeqhl@r.postjobfree.com

Phone: +1-720-***-****

CERTIFICATIONS

- Modern electric furnace steelmaking, AIST

- Certificated quality verification professional (CQVP) with IACET USA CEU 8.0

- OSHA 40 hour

- BGAS.CSWIP coating grade 2

- ASNT level II radiographic testing

- IRCA approved quality management system ISO 9001:2008 auditor/ lead auditor

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