Historical GSPs (1990 onwards)
TWI has carried out over one hundred and fifty Group Sponsored Projects over the last twenty years, providing valuable information at relatively little cost to all companies involved. The list below shows all the completed projects since 1990, uncategorised by industry or technology. Please contact gec@twi.co.uk to learn more.
| Project No. | Year complete |
Title |
|---|---|---|
| 16136 | 2008 | Sour ECA fracture mechanics based weld flaw acceptance criteria for C-Mn steel pipelines in sour service |
| 17546 | 2007 | Reliability of manually applied phased array ultrasonic inspection for detection and sizing of flaws. |
| 16071 | 2007 | Safe specification and operation of plastically strained C-Mn steel pipelines for sour service |
| 15642 | 2007 | ComeldTM - a new approach to joining of metals and composite materials for high performance applications |
| 15216 | 2007 | Fatigue damage to girth welds from low stresses in the loading spectrum |
| 14732 | 2007 | Development of non-destructive techniques for the detection of defects in friction stir welds |
| 15558 | 2006 | Surface inspection methods for detection of stress corrosion cracking in austenitic and duplex stainless steels |
| 15474 | 2006 | Corrosion fatigue of steel catenary risers in sweet production. |
| 14403 | 2006 | Materials selection for dissimilar joints in subsea hubs |
| 14142 | 2006 | Avoiding intergranular stress corrosion cracking of welds in supermartensitic stainless steel |
| 14134 | 2005 | Fatigue performance of corrosion resistant steel catenary risers |
| 12961 | 2005 | Advanced repair of hot section gas turbine components (repair of alloy 738LC). |
| 14628 | 2004 | Development of computed radiographic procedures to replace film based radiography for defect detection in welds and castings |
| 14618 | 2004 | Friction stir welding of thin aluminium sheets |
| 14460 | 2003 | Spiral welded pipe for oil and gas |
| 13827 | 2003 | The effect of notches and welds on hydrogen embrittlement stress cracking of duplex stainless steels |
| 13782 | 2003 | Hybrid laser-arc processing for improved productivity and quality |
| 13671 | 2003 | Optimisation of materials selection for seawater handling systems in the Middle East |
| 13458 | 2003 | Improving the reliability and cost performance of thermally sprayed aluminium |
| 12953 | 2003 | The use of ERW/HFI pipe for sour service applications |
| 12886 | 2003 | Risk of preferential weldment corrosion of ferritic steels in CO2 - containing environments |
| 12751 | 2003 | Friction Stir Welding of Steels |
| 12097 | 2003 | Optimising the properties of weldments in weldable martensitic and supermartensitic stainless steel |
| 5699 | 2003 | Cathodic protection of ferritic-austenitic stainless steel |
| 5697 | 2003 | Evaluation of the flux cored arc process for underwater wet welding - evaluation of the ESAB (Brazil) wire |
| 13545 | 2002 | Acceptance criteria for pipe girth welds inspected using automated ultrasonic testing |
| 13309 | 2002 | New processes for wear and corrosion resistant coatings for internal cladding of small bore components. |
| 13131 | 2002 | The significance of intermetallic and nitride precipitates in duplex and superduplex stainless steels |
| 13032 | 2002 | Examples of Risk Based Life Management Practices |
| 12514 | 2002 | Metal-ceramic graded composite coatings by HVOF spraying for improved protection in corrosive environments. |
| 12202 | 2002 | Reliability of single-sided girth weld inspection |
| 12201 | 2002 | Fracture control for installation methods introducing plastic strain developments of guidelines for reeling pipelines |
| 12030 | 2002 | Friction stir welding of transport structures |
| 5680 | 2002 | Fatigue performance of girth welds made from one side |
| 13220 | 2001 | Investigation of pitting and cracking of RDS reactor overlay |
| 12786 | 2001 | Hybrid Nd: YAG laser/plasma processing |
| 5701 | 2001 | Mechanical and corrosion properties of friction stir welds in aluminium alloys |
| 5689 | 2001 | Friction stir welding of Ti alloys |
| 5677 | 2001 | Development of fracture assessment and testing procedures for HAZ cracks |
| 5702 | 2000 | A new approach to monitoring the quality of titanium welds |
| 5700 | 2000 | Joining of magnesium alloys to dissimilar materials: final report |
| 5694 | 2000 | A probabilistic method for assessing brittle fracture risk in pressurised components subjected to temperature below design |
| 5688 | 2000 | Predicting the service life of butt fusion welds in third generation polyethylene pipes |
| 12149 | 1999 | The use of ERW/HFI welded linepipe for sour service applications |
| 5698 | 1999 | Definition of H2S limits for ferritic-austenitic stainless steels in sour service |
| 5693 | 1999 | Effect of external hard zones on environmental cracking risk of carbon manganese steel pipelines |
| 5692 | 1999 | Application of friction stir welding to automotive lightweight structures |
| 5690 | 1999 | Effect of intermetallic phases on corrosion resistance of superduplex and superaustenitic stainless steel weldments |
| 5687 | 1999 | Evaluation of the delay time before inspection for detection of hydrogen cracks |
| 5686 | 1999 | Application of long range ultrasonic testing for non-invasive examination of petrochemical plant |
| 5679 | 1999 | The effect of low H2S concentrations on welded steels. Final report. |
| 5696 | 1998 | Hydrogen cracking tests on duplex stainless steel weld metal |
| 5691 | 1998 | (W, Ti)C hard-facing deposits for demanding wear-resistant applications |
| 5683 | 1998 | Elevated temperature inspection users' group |
| 5673 | 1998 | The weldability of improved martensitic stainless steels |
| 5668 | 1998 | The influence of locally intensified strain ageing on the fracture toughness of C:Mn steel weld metals |
| 5667 | 1998 | Optimisation of weld metal properties for improved Cr-Mo steels. |
| 5656 | 1998 | NIL Project "Fitness for purpose" |
| 5684 | 1997 | Techno-economic appraisal of flip-chip on board technology |
| 5669 | 1997 | Hydrogen cracking of duplex stainless steel multipass weldments. |
| 5659 | 1997 | The application of welded duplex stainless steels in sour conditions |
| 5651 | 1997 | Development of the new friction stir technique for welding aluminium |
| 5681 | 1996 | Alloy materials for sour service environments - CRASOUR2, an update of CRASOUR |
| 5674 | 1996 | Development of weld repair capability without PWHT for Cr-Mo-V creep resistant steel. |
| 5672 | 1996 | On site hardness testing of weld heat affected zones in steel - ancillary equipment |
| 5671 | 1996 | Meeting the Health and Safety Regulations for fume in arc welding |
| 5663 | 1996 | An evaluation of the A-TIG welding process |
| 5661 | 1996 | Structural integrity of duplex and super duplex stainless steel. |
| 5658 | 1996 | The development of specialised non-destructive testing (NDT) techniques for adhesive bonds |
| 5654 | 1996 | Evaluation of the delay time before inspection for the detection of hydrogen cracks |
| 5645 | 1996 | Static strength of cracked tubular joints. Numerical analysis |
| 5635 | 1996 | The application of fatigue life improvement techniques |
| 5633 | 1996 | The influence of thickness on the fatigue levels of tubular joints |
| 5664 | 1995 | Cracking at ferritic-austenitic transition welds: effect of elevated temperature exposure. |
| 5660 | 1995 | Making TIG root passes in stainless steel butt welds without back purging |
| 5657 | 1995 | Adopting European ultrasonic standards for high quality fabrications: implications for manufacturers and end users |
| 5653 | 1995 | Further evaluation of third generation primers |
| 5652 | 1995 | Repair of steel structures by friction hydro pillar processing (FHPP): progress report for period February 1994 to February 1995 for discussion at the 2nd sponsors meeting |
| 5650 | 1995 | The influence of atmospheric moisture on weld hydrogen level |
| 5641 | 1995 | The 'Pellini' drop-weight test for crack arrest in modern steels |
| 5631 | 1995 | The effect of low H2S concentrations on welded steels |
| 5624 | 1995 | The extension of the scope of accept/reject levels in API RP 2X to structural shapes and plates: a comparison with other major codes (an extension to the joint industry project GSP 5624) |
| 55656 | 1994 | Interfacing non-destructive testing with engineering critical assessment as applied to pressure systems |
| 5648 | 1994 | Exploitation of the ploymer coated material (PCM) joining techniques |
| 5647 | 1994 | Evaluation of the mechanical performance of steels CO2 laser welded with different shielding gases |
| 5646 | 1994 | The development of fracture mechanics crack arrest test methods and assessment procedures for welded structures |
| 5642 | 1994 | On site hardness testing of weld heat affected zones in steel |
| 5639 | 1994 | Effect of alloy additions on the formation of intermetallic phases in superduplex stainless steel weld metals. |
| 5638 | 1994 | The development of NDT methods for the in-situ inspection of bolts |
| 5636 | 1994 | Fatigue of thin allied joints under complex loading. Application of fracture mechanics to the fatigue design of welded joints. |
| 5629 | 1994 | Improved quality of metal bonded carbide, ceramic and metallic coatings by HVOF spraying |
| 5627 | 1994 | Investigation of low HAZ "fusion line + 5mm" charpy properties in structural steels |
| 5619 | 1994 | The development of joining techniques for fine pitch surface mount devices |
| 5611 | 1994 | Fatigue performance of girth welded tubular connections |
| 5599 | 1994 | The development of a computerised management and information system for non-destructive test procedures |
| 5640 | 1993 | Technical assessment of supra-kW Nd: YAG laser welding - industrial feasibility studies |
| 5637 | 1993 | Reduced electromagnetic emission from arc welding systems |
| 5634 | 1993 | The development of NDT procedures for checking the quality of fillet welds |
| 5632 | 1993 | Recommended practice for pitting corrosion testing of duplex stainless steel weldments by the use of ferric chloride solution |
| 5630 | 1993 | A fracture toughness database and knowledgebase |
| 5623 | 1993 | Non-destructive testing of welds in duplex stainless steels |
| 5622 | 1993 | Nitrogen pick-up in duplex stainless steel TIG weld root runs |
| 5621 | 1993 | Evaluation of delay time before inspection for detection of hydrogen cracks. |
| 5617 | 1993 | Joining of particulate reinforced aluminium alloy metal matrix composites |
| 5610 | 1993 | Effect of hydrogen on the fracture toughness of welded steels used for pressure containment plant. |
| 5606 | 1993 | The application of one-shot joining processes to corrosion resistant pipeline materials. |
| 5593 | 1993 | Development of MMA electrodes and techniques for welding structural steels in water. |
| 5588 | 1993 | Effect of cathodic protection on the fatigue strength of tubular joints in seawater |
| 5587 | 1993 | The application of fatigue design rules to large welded structures |
| 5628 | 1992 | Optimisation of high pressure inert gas laser cutting |
| 5625 | 1992 | Evaluation of new primers in the welding of primed plate |
| 5620 | 1992 | Welding thermoplastic materials for automotive body applications - a feasibility study. |
| 5618 | 1992 | Phase balance in the hyperbaric welding of duplex stainless steel |
| 5615 | 1992 | Assessment of ERW welds in modern high strength line pipe (Report No. 5564): supplementary data |
| 5613 | 1992 | Welding corrosion resistant high alloy austenitic stainless steels |
| 5612 | 1992 | Rapid methods for diffusuble hydrogen measurement in standard test welds |
| 5609 | 1992 | Repair welding of steels containing hydrogen |
| 5607 | 1992 | Alloy materials for sour service environments - a critical review. |
| 5605 | 1992 | Critical examination of correlations between fracture toughness and charpy impact energy |
| 5601 | 1992 | Development of non-destructive testing technology for resistance spot welds |
| 5597 | 1992 | Positional welding with basic flux-cored wires using the synergic pulsed MIG process |
| 5595 | 1992 | Influence of composition on HAZ toughness of C-Mn microalloyed steels |
| 5594 | 1992 | Sulphide stress corrosion cracking in regions of low hardness in carbon manganese and low alloy steel weldments |
| 5592 | 1992 | Fatigue behaviour of internally stiffened tubular joints |
| 5578 | 1992 | Corrosion properties of high alloy duplex stainless steel weldments |
| 5577 | 1992 | Crack arrest in weldment of modern steel |
| 5574 | 1992 | An international research project to develop shallow crack fracture mechanics tests - European contribution |
| 5569 | 1992 | Cracking of weldments in feed water deaerator systems |
| 5561 | 1992 | Influence of proof loading on component reliability at low temperatures |
| 5616 | 1991 | Development of welding techniques using a 1kW pusled Nd:YAG laser - melt run trials on 5mm and 8mm thick stainless steel and LAP welds on Zn coated steel |
| 5614 | 1991 | A text animator for the new PD6493 - PC6493 user manual - version 2.0 |
| 5608 | 1991 | A fracture toughness database and knowledgebase |
| 5598 | 1991 | Induction welding of thermoplastic composite materials |
| 5596 | 1991 | Heat treatment of welded 13%Cr 4%Ni martensitic stainless steels for sour service |
| 5590 | 1991 | Probabilistic assessment of low HAZ fracture toughness in offshore structures. |
| 5585 | 1991 | Measurements of residual stresses in complex welded components |
| 5584 | 1991 | The welding of plastics pipes. |
| 5576 | 1991 | Optimisation of magnetic particle inspection techniques for welded joints |
| 5573 | 1991 | Fatigue of welded joints under variable amplitude loading |
| 5571 | 1991 | A text animator for the new PD6493 - PC6493 user manual - version 2.0 |
| 5555 | 1991 | Strain ageing embrittlement of repair weld metals for service up to 350oC |
| 5553 | 1991 | The significance of weld profile in tubular joints subjected to fatigue loading |
| 5532 | 1991 | Weld repair of pressure vessels and circuits without postweld heat treatment |
| 5604 | 1990 | Replacement of solders by conductive adhesives for surface mount technology - phase I: technical appraisal of current adhesive technology |
| 5600 | 1990 | Ribbon bonding for device interconnection |
| 5591 | 1990 | An appraisal of procedures and defect acceptance criteria for ultrasonic testing of welds in high quality fabrications |
| 5589 | 1990 | Semi-automatic welding of austenitic stainless steel |
| 5586 | 1990 | Direct deposition of valve seats |
| 5583 | 1990 | Changes in charpy impact properties of pressure vessel steels over the past 25 years. |
| 5582 | 1990 | Welding and properties of welds in high strength steels |
| 5558 | 1990 | An investigation of room temperature brittle fracture in offshore steels: final report |
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