STANDARD · IIW
IIW: New Recommendations for HFMI
Expanded Opportunities for Design and Maintenance
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Expanded Opportunities for Design and Maintenance
The second edition of the IIW Recommendations on HFMI Treatment incorporates new research findings and practical experience gained since the first edition was published in 2016.
This makes HFMI increasingly relevant not only for lightweight design, but particularly for extending the service life of existing steel structures. The second edition provides an expanded technical basis for the targeted and quality-assured application of HFMI.
Steels with yield strengths from
previously up to 960 MPa.
Less restrictive requirements for weld geometry prior to HFMI treatment.
Expanded design rules, new assessment factors and adjusted thickness corrections.
Refined recommendations for loading with variable amplitudes.
New recommendations for treating existing fatigue-damaged structures and extending their service life.
For Improving the Fatigue Strength of Welded Joints
For Improving the Fatigue Strength of Welded Joints
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