Evaluating Hot Forming in Automotive Manufacturing and Its Transferability to Other Industries
DOI:
https://doi.org/10.58445/pv7dp754Abstract
Auto manufacturers must build vehicles that are lighter and safer at the same time. Hot forming meets that demand by heating a boron-steel blank, forming it, and quenching it in one die, so that ordinary sheet leaves the press as ultra-high-strength steel. This review evaluates hot forming in automotive manufacturing and asks which of its lessons transfer to other industries such as aerospace, construction, wind turbines, and railroad transportation. It finds that the process earns its place where a part needs a complex geometry, different crash behaviour in different regions, and volumes large enough to repay the line. That strength is bought with heat: on a modelled production line, the furnace drew 77.51% of total energy. The sustainability case is therefore conditional, holding only where a vehicle's use phase repays the furnace through fuel saved by lighter mass. Aerospace shares part of this case, while construction and wind turbines do not, leaving material savings as their only argument.
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