CV of Benjamin T. A. Chang, PhD, PE
Address 10400 Westoffice Dr. Ste 107, Houston, Tx 77042, 713-783-7659(O),
Summary A polymer researcher with over 29 years of experience in R/D of protective coating, epoxy, composite, elastomer and thermoplastics and is a NACE certified Coating Inspector, NACE and SSPC certified Protective Coating Specialist, NACE CIP Instructor, Texas licensed Professional Engineer
Experience 2005 – Present, President, PolyLab, LLC, Houston, TexasTechnical Consultant, Testing Lab, Contract Research, Failure Analysis, Training

1. Research Project Investigator of the US DOT funded research project on “External Pipeline Coating Integrity” to investigate the 3L Polyolefin coating disbondment mechanism due to residual stress and surface preparation, 3LPP cracking, Wet adhesion, High Temperature Cathodic Disbondment, High Temperature Pipeline Coating Qualification, Project #DTPH56-06-T-000022, Project Manager- James Merritt.

2. Prepare high temperature external pipeline coating specifications -3LPP and FBE for Fluor Engineering.

3. Conducted Failure Analyses of 3LPP pipeline coatings for Abu Dhabi Company for Onshore  Oil Operations (ADCO)

4. Prepared the new NACE SP-0108 standard on “Corrosion Protection of Offshore Platforms by Protective Coatings”.

5. Prepared Technical specification for Shell water flood ID pipeline coating.

6. Prepared Dow Corning-China Chemical Plant Protective Coating Selection

7. Teach “3LPO Pipeline Coating Workshop” in China.

8. Teach NACE CIP courses in China

1980 – 2005, Technical Staff, Shell Global Solutions (US) / Shell International E/P, Shell Development Co., Westhollow Technology Center, Houston, Tx

Material selection, Coating specification preparation, Failure analysis, Innovative research

Offshore Platform Protective Coatings

Prepared four new NACE TM0104, TM0204, TM0304, TM0404 standard test methods for atmosphere and splash zone, ballast water tank, exterior submerged maintenance and new construction coatings.

Prepared Specification for jacketed SS 316 instrument tubing to prevent pitting corrosion.

Prepared Specification for long life polychloroprene riser splash zone coatings.

Developed test protocol for downhole tubular ID coatings

Prepared Shell (Schedule P) technical specification for offshore platform coatings

Pipeline Coatings

Developed Shell test protocols for buried pipeline coatings, tapes, and shrink sleeves.

Developed methodology to determine maximum service temperatures for buried pipeline coatings.

Developed Shell test protocol to qualify high temperature subsea pipeline coatings.

Prepared Shell coating specification for high temperature 3LPP subsea pipeline coatings.

Prepared Shell DEP Technical Specification for “bituminous Enamel Coating of Steel Linepipe.

Prepared Shell DEP Technical Specification on Polychloroprene Splashzone Riser Coatings.

Prepared Shell DEP Specification for thermal spray zinc and aluminum coatings.

Prepared Shell DEP Technical Specification on Pipeline Rehabilitation by Liquid Coatings.

Epoxy Composites

Mechanical Testing – Extensive experiences in composite testing-tensile, compression, shear, fatigue, creep, fracture toughness, crashworthiness, residual stress measurement for electronic epoxy encapsulation, acoustic emission testing, fiber-resin interfacial sheer strength.

Failure analysis – Developed techniques in the failure analysis of composite leaf spring, FRP pipe, and Insitupipe.

Epoxy Composite Processing – Worked with filament winding machine, pultrusion machine, reinforced injection molding, prepeg and autoclave, hand lay-up, and compression molds.

Polymeric Materials

Developed structure and property relationship of flexible open-cell foams.

Developed techniques to measure the glass transition temperature of the Carilite wood adhesive cured in plywood.

Developed techniques to characterize the mechanical properties of Cariverse polymer in a tiny quantity (a few grams).

Established a procedure to measure the molecular chain orientation of drawn polymer fibers by X-ray diffraction.

Developed an innovative technology to plug casing and the unwanted casing production zone.

Education Ph. D. in Materials Science, Univ. of Rochester, Rochester, NY

B.S. in Mechanical Eng. National Taiwan Univ., Taipei, Taiwan

Accreditations / Honors NACE Certified Coating Inspector #8090

NACE Protective Coating Specialist # 7757

NACE CIP Instructor

SSPC Certified Protective Coating Specialist #1071-976-1451

Texas Licensed Professional Engineer, #95389

NACE 2006 Technical Achievement Award

Professional Membership NACE, SSPC, ASTM
Professional Activities In   NACE Chair following NACE Task Group Committees;

1. TG#260 Offshore Platform Atmospheric and Splash Zone Maintenance Coatings

2. TG#263 Offshore Platform Ballast Water Tank Coating Systems

3. TG#264 Exterior Protective Coatings for Seawater Immersion Service

4. TG#312 Offshore Platform Atmospheric / Splash Zone New Construction Coatings

5. TG#313 Corrosion Protection of Offshore Platforms by Protective Coatings

6. TEG#349x, Critical Review of International Test Standard on Cathodic Disbondment

Following NACE standards have been published;

  1. NACE TM0104-2004, Standard Test Method , “Offshore Platform Ballast Water Tank Coating System Evaluation”
  2. NACE TM0204-2004, Standard Test Method , “Exterior Protective Coatings for Seawater Immersion Service”
  3. NACE TM0304-2004, Standard Test Method , “Offshore Platform Atmospheric and Splash Zone Maintenance Coating System Evaluation”
  4. NACE TM0404-2004, Standard Test Method , “Offshore Platform Atmospheric and Splash Zone New Construction Coating System Evaluation”
  5. NACE SP0108-2008, Standard Practice on “Corrosion Protection of Offshore Platforms by Protective Coatings”.

Organizer and Chairman for the following NACE Coating Symposia;

  1. NACE 2003, Surface Tolerant Coating Symposium
  2. NACE 2004, Offshore Coating Technology Symposium
  3. NACE 2005, Oil/Gas Coating Technology Symposium
  4. NACE 2006, Oil/Gas Coating Technology Symposium
  5. NACE 2007, Oil/Gas Coating Technology Symposium
  6. NACE 2008, Oil/Gas Coating Technology Symposium
  7. NACE 2009  Offshore/Marine Coating Technology Symposium
ISO Activities
  1. Member of ISO 20340 standard on Offshore Platform Coatings.
  2. Member of ISO 21890-3 Committee on Petroleum and natural gas industries – External coatings for buried or submerged pipelines used in pipeline transportation systems –Part 3: Field Joint Coatings
ExternalPublications 1. “Critical Evaluation of International Cathodic Disbondment Test Methods”, International Corrosion Congress, Oct. 2008, Las Vegas, USA
2. “Integrity of 3LPE Pipeline Coatings – Residual Stresses and Adhesion Degradation”, “Proceedings of the 7th International Pipeline Conference, IPC2008, September 29 – October 3, 2008, Calgary, Alberta, Canada, Paper Number : IPC2008-64048

3. “ “Disbondment Mechanism of 3LPE Pipeline Coatings”, Benjamin T. A. Chang Han Jiang, Hung-Jue Sue, Shu Guo, Guylaine StJean, Ha Pham, Dennis Wong, Al Kehr, Meghan Mallozzi, King Him Lo, Proceedings of BHR Conference, Edinburgh, UK, October, 2007

4., “Mechanical Modeling of Scratch Behavior of Polymeric Coatings on Soft and Hard Substrates”, Jiang H., Browning R., Whitcomb J.D., Ito M., Shimouse M., Chang B. T.A. and Sue H.-J, .Wear (submitted in 2008).

5. “Selection of Field Applied Liquid Rehabilitation Pipeline Coatings” Benjamin T. A. Chang, Howard R. Mitschke, and Paul R. Nichols, Paper #01609 Symposium 01-T-10D, NACE 2001 Conference, Houston, TX.

6.“Crystal Orientation Function of Poly(trimethylene terephtalate) by Wide Angle X-ray Diffraction” Hoe H. Chuah, Benjamin T.A. Chang, Polymer Bulletin 46 (2001) 307

7.“Low Cost Offshore Platform Maintenance coatings in Gulf of Mexico”, Benjamin T.A. Chang, Jon D. Unwin, SSPC Annual Conference, Nashville, TN, 2000

8.“Evaluation of Offshore Platform Maintenance coatings in Gulf of Mexico”, Benjamin, T.A. Chang, C.A. Guy, Proceedings of SSPC 99 Conference, Houston, TX, November 1999

9.“Performance of Flexible Epoxy Coatings for Offshore/Marine Applications”, D.J. Weinmann, B.T. A. Chang, Proceedings of SSPC 99 Conference, Houston, TX, November 99

10.“Collapse Resistance of Cured In Place Pipes”, K.H. Lo, Benjamin T.A. Chang, Q. Zhang, W.J. Wright, North American Society for Trenchless Technology No-Dig ’93 Conference, May 2-5, 1993, Session E

11.“Tensile Creep of Cured In Place Pipe Materials in Simulated Field Environments”, B.T.A. Chang, K.H. Lo, G.D. Edwards, Insituform Process Technical Conference, Sept. 6-11, 1992, Oslo, Norway

12.“Creep Rupture Life Prediction of EPON Resin-Felt Composite Laminates Used In The Insituform Process”, B.T.A. Chang, K.H. Lo, 1991 Annual European Insituform Technical Meeting, Sept. 30-Oct. 4, 1991, Houston, TX

13.“Failure Analysis of FRP Springs”, B.T.A. Chang, K.H. Lo, 43rd Annual Conference of SPI, Feb. 1-5, 1998, Session 10-D

14.“New Non-MDA Epoxy Resin systems for Resin Transfer Molding (RTM) and Filament Winding”, E.B. Stark, L.M. Schlaudt, B.T.A. Chang and W.V. Bretigam, 32nd International SAMPE Symposium April 9-16, 1987, P1092

15.“Recovery of Compressive Strain in Atactic Polystyrene”, B.T.A. Chang, J.C.M. Li, J. Mat Sci. 16 (1981) 889

16.“Anelastic Strain Recovery of Atactic Polystyrene”, B.T.A. Chang, C.M. Li., Bulletin of the American Physical Society 25 (1980) 252

17.“Stored Enthalpy and Its’ Release in Atactic Polystyrene”, B.T.A. Chang, J.C.M. Li, Bulletin of the American Physical Society 25 (1980) 252

18.“Indentation Recovery of Atactic Polystyrene”, B.T.A. Chang, J.C.M. Li., J. Mat. Sci., 15 (1980) 1364

19.“The Angle of Intersection of Coarse Shear Bands in Polystyrene”, B.T.A. Chang, T.A. Chang, J.C. M. Li, J. Mat. Sci 14 (1979) 51

    20.“Indentation Recovery of Amorphous Materials”, B.T.A. Chang, J.C.M. Li, Scripta Met. 13 (1979) 51

Patent / Award “Form Filter Material and Process to Prepare Foam Filter Material” Patent #6,103,645, August 2000

“Downhole Polymer Plug And Liner And Methods Employing Same” US Patent # 6,896,063 May 2005

NACE 2006 Technical Achievement Award

Additional Published Reports

# Year Title
1 1981 Evaluation of polymeric materials for seals in offshore geopressure gas environments.
2 1981 Evaluation of elastomeric materials for through-the-flowline pistons in offshore geopressured sour gas wells
3 1981 Evaluation of KTR ™ seals in offshore geopressure gas environments
4 1983 Evaluation of polymeric materials in sour gas environments
5 1983 Polymeric seal materials for south Texas gas wells shell development company Westhollow research center August 15, 1983
6 1985 The combined effect of time, temperature, moisture and mechanical stress on the failure of inland-made composite leaf springs
7 1985 Creep of the in-situ form pipe material – polyester-felt-filled Epon resin 9215/epon curing agent 9250
8 1986 Failure analysis of FRP springs
9 1987 Effects of additives and morphology on the creep behavior of polybutylene
10 1988 Energy absorption characteristics of circular fiberglass composite tubes – effects of tube wall thickness and tube diameter
11 1989 Fiber-resin interfacial adhesion measurement
12 1990 Energy absorption characteristics of circular fiberglass composite tubes – effect of resin properties
13 1991 Insitupipe at Valdez terminal – Alaska
14 1991 Flexural creep of Insituform liner materials – apparatus
15 1993 Disbonding of polyurethane film from crosslinked epoxy resins and polyester felt used in the Insitupipe/r/
16 1993 Creep rupture life prediction of EPON/r/ resin – polyester felt composites used in the Insituform/r/ process
17 1993 Tensile creep of cured in place pipe materials in simulated field environments – preliminary results
18 1993 The measurement of poly(propylene terephthalate) molecular chain orientation by x-ray diffraction
19 1994 Compressive properties of high internal phase emulsion foams – effect of polymer modulus and foam density
20 1998 Test protocol for Shell offshore platform maintenance coatings: topside and splashzone coatings
21 1998 User-friendly offshore platform coatings
22 2003 Evaluation of TEK-RAP Tapes as Pipeline coating materials
23 2005 Stainless steel air cooler tubes in offshore environments