Christ ian ResselBahnhofstrasse 17D-54314 Z e r f

Telephone +49 - 6587 - 99 25 26Mobile ph. +49 - 177 - 42 44 862Voice & Fax +49 - 3212 - 10 27 194eMail metals-consult@outlook.com

D – Zerf, July 06, 2015

Consult ing Engineer

E x p e r t i s e S u m m a r y

Consult ing and Engineer ing in:

• Phys ica l Metal lurgy• Phys ica l Analys is• Foundry Processes• Project Management• Inter im Management

Birth:October 19, 1955 in Cerro de Pasco, Peru

Educat ion Vocat ional Summary

• University of Applied Science (Fachhoch-schule) Giessen - Friedberg, concludedDipl.-Ing. (FH), Foundry Process Metal-lurgy

• Berlin Institute of Technology (TechnischeUniversität Berlin), concludedDipl.-Ing. (TU), Physical and ChemicalMetallurgy

• Graduate Schools of Business Administra-tion (GSBA), Zurich, Winterthur, conclud-ed BBA

• Business fluency in languages German,English (TOEFL score 637) and Spanish

• Nine years R&D, physical metallurgy, la-boratory analysis, primary and secondaryelectrochemical storage systems

• Three years re-engineering of industrialprocesses in physical metallurgy, turbinerefurbishment and advanced foundry pro-cesses

• Six years planning and configuration offoundry and industrial logistics installa-tions in accordance with requirements ofinternational customers

• Six years international sales of highly en-gineered and customized capital and in-dustrial goods

• Five years industrial consultancy to inter-national clients

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 1 / 8

Technical Expert ise inPhys ical Metal lurgy and Foundry Processes

Alloys: Lead, aluminum, steel and cast iron, nickel super-alloys, austenitic and marten-sitic chromium and maraging steels

Processes: High-pressure die casting (Pb, Zn)Low-pressure die casting (Al)Sand casting (nodular iron, high and low grade steel alloys)Arc and TIG - weldingLaser repair and deposition welding (wire and powder cladding)Heat treatment of martensitic, maraging and austenitic steelsDiffusion-brazing of Ni super-alloys using B as melting point depressant agentBulks processes incl. mixers, dense and dilute phase conveyors

Physical analytics: Electron Micro-Probe Analysis (EMPA) employing EDAX / WDAXMetallography using light and scanning electron microscopy (SEM)Metal NDT using X-ray, FPI / DPI and ultrasonic equipment

Failure analysis: Metal fractographyMetal corrosionMetal fatigueMetal creep

Business Expert ise

International marketing for industrial and capital goods and servicesSales of industrial and capital goods, engineering services and technologyProject management incl. risk assessment, commissioning and reporting

Industr ies extens ive ly acquaintedwith (Corporat ions and SMEs):

Foundries . . . . . . . . . . : Steel, iron and aluminum; sand- & die-casting

Batteries . . . . . . . . . . . : OEMs of acid, alkaline and MeH

OEMs of Machinery .. . : Apparatus, pneumatic bulk conveyors, gasturbines for energy suppliers

Medical .. . . . . . . . . . . : Manufacturer of steel surgical instruments andsteel / titanium implants

Pract ical IT assets

Programming languages Fortran, Basic, C / C++Project ManagementOffice tools, Corel and Microsoft

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 2 / 8

Summary of major pro jects

Principle project objective(s) Assessment and selection of a supplier providing 1 the necessary qualification to enable laser-sup-ported wire and powder deposition welding onsingle-crystal, superalloy turbine blades and vanesto refurbish such components from non-salvage-able stocks

Market activity of principle Major German OEM for power generation instal-lations

Report duty to Team management

Character of collaboration Time sharing

Time frame upon completion 29 months

Extent / coverage of project • Supplier assessment• Contract negotiation• Project management• Reporting• Physical metallurgy of superalloys• Judgement of static and LCF / HCF mechanical

test data• Metallography and NDT on superalloys• Supervision and evaluation of trials to enable

refurbishment of vanes and blades by vacuum /inert gas diffusion brazing

Specific resources deployed • Material test center facilities at client site• Heat transfer and solidification simulation of

metal melt depositions on solid substrates, fa-cilitated by technology supplier

• Scanning electron and light micro-graphing fa-cilities at sites of client and technology supplier

Results, summary • Client received proof of viability and proventechnology with negotiated eligibility to fullyexploit obtained technologies

• Anticipated client savings well beyond 25 m €• Comprehensive metallurgical report covering

safe process parameter settings, referencemicrographs of deposition welds, preferredapparatus assessment, risk analyses regardingadverse re-crystallization of alloy substratessubject to thermal effects of weldings

• Patent applications with client EP2196276, US2011/0244264 A1, WO/2010/069696

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 3 / 8

Principle project objective(s) Strategic market study covering the industrial de- 2 mand for wear-resistant cast iron componentswithin defined size limitations in Western Europeto service needs of a corporate member company

Market activity of principle Major German foundry for steel and nodular iron

Report duty to CEO

Character of collaboration Employment

Time frame upon completion 6 months

Extent / coverage of project • Assessment of available commercial data bankproviders

• Definition of search strategies to be applied tothe usage of suitable commercial data banks

• Compilation of a document basis to establishgrounds for further management decisions

Specific resources deployed National and international commercial databanks enabling research on product portfolios,sizes, typically addressed buyer segments, loca-tions and management details of possible clientcompanies in order to be able to selectively assessthe obtained target market potential

Results, summary • Documentation and given suggestions enabledfurther investments to exploit respective mar-ket opportunities

• Corporate member company was put in a posi-tion to negotiate bank loans and implement re-structuring plans

Principle project objective(s) Re-engineering of low pressure die casting pro- 3 cesses in production of aluminum automobilerims to allow scrap rates to be reduced and pro-cess response to be stabilized

Market activity of principle Major Mexican OEM for automobile aluminumrims, subsidiary to a German parent company

Report duty to Managing Director

Character of collaboration Freelance

Time frame upon completion 9 months

Extent / coverage of project • Identification of process shortcomings basedon technical considerations

• Evaluation of process results subject to imple-mentation of modifications by metallography,X-ray analyses and DPI

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 4 / 8

Extent / coverage of project(continued)

• Training of shop personnel and rewriting of process documentation according to processmodifications in Spanish

Specific resources deployed • Internal and external metallography, X-rayanalyses and DPI

• Thermal imaging of chills

Results, summary • Process stability in terms of reproducible pro-cess response verifiably improved

• Process cycle duration was decreased by up to40%

• Scrap rates declined by up to 60%• Sustainable process knowhow held by indige-

nous shop floor personnel increased signifi-cantly, thereby obtaining individual self-reli-ance and commitment to objectives of produc-tion

Principle project objective(s) Re-engineering of heat treatment schemes and 4 adherence thereof to applicable internationalstandards with respect to:

• martensitic chromium-steels in the process ofmanufacturing surgical instruments

• ledeburitic sintered steels used in medical tools• titanium and steel alloys in the process of ma-

nufacturing implants

Market activity of principle Major Swiss manufacturer of surgical instrumentsand implants, subsidiary to a leading US lifescience and medical supply group

Report duty to European Quality Management

Character of collaboration Freelance

Time frame upon completion 8 months

Extent / coverage of project • Review of manufacturing instructions with res-pect to the entire portfolio of surgical instru-ments regarding inconsistencies in heat treat-ments employing metallographic analyses andtracking process results by CCT diagrams

• Review of heat treatment procedures appliedto titanium and steel implants to reduce resi-dual stresses

• Review of shot peening procedures with re-spect to the expected depth of surface strainhardening

• Introduction to the SAE standard AMS 2750(Rev. E) as the international standard for re-quirements and classifications of industrialheat treatment apparatus

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 5 / 8

Extent / coverage of project(continued)

• Initiation of practical measures to determineclassifications applicable to individual furnacesin process use

• Support in metallurgical expertise concerningFMEA subject to CAPA procedures dealingwith PM ledeburitic steel components

• Support to company personnel and consultantsdealing with validation and re-establishment ofdocumentation

Specific resources deployed • Comprehensive research on technical literature• Internal and external laboratories to facilitate

metallographic analyses• External service sources to facilitate CCT data

and conduct furnace classification trials in ac-cordance with the SAE standard AMS 2750

Results, summary Management report comprising following details:

• Initiation of change processes to reach adher-ence of employed heat treatment apparatus tothe SAE standard AMS 2750

• Initiation of re-engineering processes concern-ing heat treatment procedures applied to mar-tensitic and austenitic steels as well as to titan-ium alloys

• Initiation of an enhanced staff awareness ofthe necessity of narrow thermal bandwidthsand strict adherence to a technical rationalewhen applying heat treating processes to pro-ducts ultimately in surveillance by the FDA

Principle project objective(s) Strategic sourcing of raw metal and molding ma- 5 terials to reach an improved level of process sta-bility, reduce quality inconsistencies and clientcomplaints

Market activity of principle Foundry for grey and nodular iron in Lebanon

Report duty to CEO

Character of collaboration Freelance

Time frame upon completion 4 months

Extent / coverage of project • Assessment of European suppliers for pig andscrap iron as well as for molding materials

• Requests for quotations in non-disclosure ofthe actual client

• Clearance requests regarding shipping formali-ties to finalize delivery of goods to Lebanon

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 6 / 8

Specific resources deployed • International commercial data banks enablingresearch on product portfolios

• International carriers routinely involved intransportation of industrial goods

Results, summary Client confirmed to have improved:

• Process predictability• Dependability of implemented supply chain• Delivery of foundry products on schedule

Principle project objective(s) Re-engineering of a steel freight container in 6 terms of:

• Mechanical stability• Selection of steel alloys subject to differing ob-

jectives• Material costs• Corrosion resistance• Weight

Market activity of principle Logistics solutions provider in Brazil

Report duty to CEO

Character of collaboration Freelance

Time frame upon completion 2 weeks

Extent / coverage of project • Assessment of buckling, warpage and strainsdue to differing mechanical load scenarioscompiled within a set of worksheets

• Suggestions regarding redesign in accordancewith permissible, material-specific stresses andspecific handling scenarios

• Compilation of suggested measures to complywith ambient corrosive requirements

• Design suggestions regarding potentially dan-gerous forklift incidents

Specific resources deployed • Calculation of mechanical load scenarios usingspreadsheet tools

• Alloy handbooks and international data sheets

Results, summary Client confirms to have the necessary engineeringbasis to exploit business opportunities based onthe use of the container by logistics operators

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 7 / 8

Principle project objective(s) Determination of creep rates of PbSb-, PbCa- and 7 PbCaSn- alloys subject to selected stress levels

Market activity of principle Leading German OEM for electrochemical storagesystems

Report duty to Head of department R&D lead alloys

Character of collaboration Employment

Time frame upon completion 12 months

Extent / coverage of project • Comprehensive research on technical literature• Design of specimen and appropriate dies to

provide for casting of specimens subject toconditions close to those applicable in regularproduction

• Design of equipment to subject alloy speci-mens to individual creep loads

• Selection of means of measuring creep at de-fined time intervals with required accuracy

• Design and coding of software to store andretrieve individual creep and time increments

• Identification of creep characteristics inherentto the selected alloys

Specific resources deployed • Scanning electron and light micro-graphing fa-cilities to identify individual causes of speci-mens’ fracture

• Internal laboratory facilities enabling metallo-graphic analyses

• Coding and debugging tools

Results, summary Creep rates subject to selected amounts of stresswere made available within a technical report tosupport grid design for positive plates in lead-acidstorage batteries

C o n s u l t i n g E x p e r t i s e S u m m a r y

Christian Ressel, Bahnhofstrasse 17, D – 54314 Zerf, Mobile ph. +49 (0) 177 – 42 44 862 8 / 8