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Mechanical Welding

Location:
Montebello, CA
Posted:
March 11, 2015

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Resume:

GERHARD CASTRO

***** *. *********** **. ****** Ca 91722

Tel.: +1-509-***-****

E-mail address: acoopw@r.postjobfree.com

Professional Experience

**/**** - **/****

APPLIED SCIENCE LABORATORY (ASL-WSU/ISP)

Spokane, Washington

Research Associate

o Research, development and manufacturing of advanced materials for

structural and functional application: Bulk metallic glasses (Zirconium-

based BMG) and BMG composites.

o Production of BMG castings using vacuum arc melting / cold crucible

vacuum melting/casting. Metallographic, chemical, thermal and mechanical

characterization to optimize the production of the BMG casting.

o Designed and establish new and improved casting procedures to improve

quality of BMG castings, monitoring the ductility of cast samples.

02/2001 - 04/2002

COBRES ALEADOS S.A. (Brazing and Soldering Supply Manufacturers)

Lima, Peru

Foundry Supervisor

o In charge of charge calculations and production orders.

o Directed the melting and casting procedures and modified practices to

improve quality.

o Conducted training sessions for the crews.

10/2000 - 01/2001

TRUPAL S.A. (Paper Mill Company)

Santiago de Cao, Peru

Intern in the Steam Generation Plant

o Participated in the maintenance and operation of steam generation plant:

boiler, turbine, heat exchangers,

valves, steam traps.

o Prepared written reports: feasibility of use coal instead of Diesel for

the steam generation, improvement

in the pumping system of the feeding water for the boiler.

Education

08/2005 - 04/2013

UNIVERSITY OF SOUTHERN CALIFORNIA (U.S.C.)

Los Angeles,Ca

Materials Science Researcher

o Research area: Synthesis and mechanical properties of steel and aluminum

syntactic foams. Advisor: Prof. S. Nutt.

http://composites.usc.edu/projects/synthesis-of-metallic-foam.htm

o Metallic syntactic foams offer significant weight reduction and absorb

large amounts of impact energy per unit volume and per unit weight. An

attractive candidate for armor applications in military vehicles and

improved crashworthiness in civilian vehicles.

o Investigated the feasibility of metal syntactic foams synthesis using

liquid processing: Production of steel and aluminum foam samples.

Mechanical testing (compression testing and low velocity impact testing)

and chemical and metallographic characterization of metal syntactic

foams.

o Publications:

. Synthesis of syntactic steel foam using mechanical pressure

infiltration, G. Castro, S.R. Nutt, Mater. Sci. Eng. A (2011).

. Synthesis of syntactic steel foam using gravity-fed pressure

infiltration, G. Castro, S.R. Nutt, Mater. Sci.

Eng. A (2012).

. Mechanical properties of aluminum syntactic foams, G. Castro,

S.R. Nutt, Mater. Sci. Eng. A (2013).

o Relevant Coursework: Solid State, Diffusion and Phase Equilibria,

Dislocation Theory, Applied Quantum Mechanics, Thermodynamics of

Materials, Crystal and Anisotropy, Finite Element Analysis, Structural

Mechanic of Composites, Fatigue and Fracture.

Special Study: Aluminum Foam/Metallic Glass sandwich structure.

o Prepared sandwich structure by bonding aluminum foam (open and closed

cell) with metallic glass plates as a part of a project to use metallic

glasses in shielding structures.

o Publication. Investigating Amorphous Metal Composite Architectures as

Spacecraft Shielding. Marc Davidson, Scott Roberts, Gerhard Castro, R.

Peter Dillon, Allison Kunz, Henry Kozachkov, Marios D. Demetriou, William

L. Johnson, Steve Nutt, Douglas C. Hofmann. Advanced Engineering

Materials 2012.

08/2002 - 03/2005

cOLORADO SCHOOL OF MINES (C.S.M.)

Golden, Co

Metallurgical and Materials Engineering Researcher

o Thesis focused in welding science: "Transfer efficiency of alloying

elements metal-cored welding wires". Advisor: Prof. David L. Olson.

o Objective of the project is the rapid manufacture of Small-Batch Metal-

Cored Welding Repair Consumable.

o Investigated the efficiency of metal transfer in metal-cored welding

wires: Production of metal-cored welding wires. Responsible for the

preparation of the weldments specimens and characterization of the

weldments.

o G. Castro, D. L. Olson, C. D. Dallam and D. Fedor, " Small-Batch Metal-

Cored Welding Repair Consumables", AWS 2005, November 13-16, 2005,

Chicago, Il.

o GPA: 3.9.

o Relevant Coursework: Processing, Microstructure and Properties of

Materials; Non-Destructive Testing and Evaluation; SEM-TEM Electron

Microscopy; Failure Analysis; Metallurgy of Welding; Advanced Metallurgy

of Welding; Transformation in Metals; Oxidation of Metals; Non-Fusion

Joining Processes.

Teaching Assistant for Foundry Metallurgy and Metallurgy of Welding

Courses

o Prepared welding processes laboratories: SMAW, SAW, GTAW, GMAW,

PAW.

o Directed student in sand testing, sand casting, investment casting,

melting and casting of aluminum; brass; bronze and white, gray, ductile

and malleable iron.(gas-fired furnace and coreless induction furnaces)

o . Mechanical testing (three-point bend test) and hardness measurements

of cast samples.

o In charge of Free Pour Friday: weekly session where any student gets

to experience foundry work.

Special Study: Pressure Differential Caster

o Refurbished a pressure differential casting machine of donated to

C.S.M. by Lockheed Martin Corporation. The machine is used to produce

aluminum matrix composites.

o The Pressure Differential Caster uses gas pressure and vacuum force

liquid aluminum into ceramic preforms.

04/1995 - 12/1999

UNIVERSIDAD NACIONAL DE TRUJILLO (U.N.T)

Trujillo, Peru

Mechanical Engineering

o Five year program covering: Metallurgy for Mechanical Engineers,

Thermodynamics, Heat and Fluid Flow, Dynamics, Solid Mechanics, Advanced

Mathematics, Manufacturing, Machine Design and Economics.

o Magna Cum Laude.

01/1999 - 06/1999

SENATI TRUJILLO

Trujillo, Peru

Certificate, Practical Training for Mechanical Engineers

o Six month intensive training in welding, electric motors, engines,

machining processes, PLCs.

Leadership and Activities

o Experience in Microsoft Software, Matlab, Lab view, AutoCAD.

o Class representative at U.N.T. (1998, 1999).

o Interest in soccer, basketball and running.



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