Truck & Off-Highway Engineering - August 2023 - 27

MATERIALS FEATURE
Figure 5: Cost analysis.
so three factors were used to scale the cost of Forta
H800 relative to S460 - 2, 2.5 and 3 times.
Even with a factor of 3, the weight reduction means
that the hybrid structure is comparable in cost to the
S460-only structure, while at a factor of 2 the hybrid
design represents an 18% improvement in material
costs. In this analysis, only pure material costs were
compared and additional aspects such as energy consumption
during production were not considered.
The next steps
Further work is being undertaken to refine the simulation
process. More variables also could be investigated
such as cross-sections, wall thicknesses and
junction locations that would effectively be a complete re-design of
the bus structure to optimize the use of stainless steel.
Future possibilities will be to evaluate the effect of manufacturing
techniques. For example, the performance of welded joints under
fatigue loading can be improved considerably by refining the joining
process and displacing the welded seam away from the most
stressed areas. This may even offer the possibility to further reduce
the cross-section or wall thickness. If this project was repeated to
include refined joining processes, there is a strong possibility that the
difference between the carbon steel and stainless-steel structures
would be even more significant.
Stefan Schuberth, sales manager for Automotive Business Line, Advanced
Materials, Outokumpu; Prof. Dr.-Ing. Klemens Rother, University of Applied
Sciences, Munich, Germany; and Dr. Werner Pohl, FCMS GmbH,
wrote this article for Truck & Off-Highway Engineering.
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TRUCK & OFF-HIGHWAY ENGINEERING
August 2023 27
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Truck & Off-Highway Engineering - August 2023

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - August 2023

Truck & Off-Highway Engineering - August 2023 - INTRO1
Truck & Off-Highway Engineering - August 2023 - SPONSOR1
Truck & Off-Highway Engineering - August 2023 - CVRA
Truck & Off-Highway Engineering - August 2023 - CVRB
Truck & Off-Highway Engineering - August 2023 - CVR1
Truck & Off-Highway Engineering - August 2023 - CVR2
Truck & Off-Highway Engineering - August 2023 - 1
Truck & Off-Highway Engineering - August 2023 - 2
Truck & Off-Highway Engineering - August 2023 - 3
Truck & Off-Highway Engineering - August 2023 - 4
Truck & Off-Highway Engineering - August 2023 - 5
Truck & Off-Highway Engineering - August 2023 - 6
Truck & Off-Highway Engineering - August 2023 - 7
Truck & Off-Highway Engineering - August 2023 - 8
Truck & Off-Highway Engineering - August 2023 - 9
Truck & Off-Highway Engineering - August 2023 - 10
Truck & Off-Highway Engineering - August 2023 - 11
Truck & Off-Highway Engineering - August 2023 - 12
Truck & Off-Highway Engineering - August 2023 - 13
Truck & Off-Highway Engineering - August 2023 - 14
Truck & Off-Highway Engineering - August 2023 - 15
Truck & Off-Highway Engineering - August 2023 - 16
Truck & Off-Highway Engineering - August 2023 - 17
Truck & Off-Highway Engineering - August 2023 - 18
Truck & Off-Highway Engineering - August 2023 - 19
Truck & Off-Highway Engineering - August 2023 - 20
Truck & Off-Highway Engineering - August 2023 - 21
Truck & Off-Highway Engineering - August 2023 - 22
Truck & Off-Highway Engineering - August 2023 - 23
Truck & Off-Highway Engineering - August 2023 - 24
Truck & Off-Highway Engineering - August 2023 - 25
Truck & Off-Highway Engineering - August 2023 - 26
Truck & Off-Highway Engineering - August 2023 - 27
Truck & Off-Highway Engineering - August 2023 - 28
Truck & Off-Highway Engineering - August 2023 - 29
Truck & Off-Highway Engineering - August 2023 - 30
Truck & Off-Highway Engineering - August 2023 - 31
Truck & Off-Highway Engineering - August 2023 - 32
Truck & Off-Highway Engineering - August 2023 - 33
Truck & Off-Highway Engineering - August 2023 - 34
Truck & Off-Highway Engineering - August 2023 - CVR3
Truck & Off-Highway Engineering - August 2023 - CVR4
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