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Riveting of High Strength Steels

Request Number N176005
Need details
Description

Self-piercing riveting technology is now the technology of choice for many OEMs in the automotive industry for joining aluminium components. Tata Steel is looking to identify and work with partners to develop riveting technologies to join the High Strength Steel (HSS) components of the future. 

 

Background

Self-piercing riveting technologies for aluminium applications are not new and have been around since the early 1990s, not just in the automotive industry but in other industries also. This approach has in many companies replaced the spot-welding joining technologies traditionally used. For steel, with its much higher strength for a given gauge, high speed riveting is a challenge and spot welding is still the most widely used technology. However, spot welding is slower than high speed riveting and joining dissimilar materials can also be a challenge.

 

However, the use of HSS has many advantages for OEMs, for example light-weighting and also increased crash performance and safety, and its use in future car programmes will increase considerably. As Tata Steel develops even higher strength steels then the challenge high speed joining for our customers across a number of sectors will become even greater. Tata Steel would like to explore existing technologies, or those in development, for the high speed joining of steel. Riveting is of particular interest but other approaches will be considered.

 

Key Success Criteria

Ideally similar joining speeds as are achieveable with aluminium. However, it is recognised that this is a major challenge and slower speeds will be considered initially, ideally with a development route to achieve the higher speeds necessary.

 

Possible Approaches

High speed riveting of aluminium components is widely used across many industries, including automotive and aerospace and may be directly transferable to steel with some modifications. New approaches to high speed riveting will also be considered.

 

Approaches not of interest

Theoretical ideas with no experimental support, funding requests for proof of concept.

 

Preferred Collaboration types
  • To Be Negotiated
Items to be submitted

We are looking for a concise abstract/executive summary.  The proposal should briefly describe the technical approach and provide information on technology performance, background and description of the responding team and their related experience.
 

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Point of Contact
Oliver Worsfold
Area of Interest
  • Building & Construction
  • Manufacturing & Fabrication
  • Materials Processing
Organization
Tata Steel
Due Date
March 15, 2017
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