Sensitivity analysis of process parameters for developing an improved open die forging process

Yufeng Cheng, Xiaoguang Yang, Qi Lu, Chao Voon Samuel Lim, Aijun Huang

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

1 Citation (Scopus)


Open die hot forging has a wide industrial application on deforming ingot into billet with desired dimension and qualified internal microstructure. An example open die forging process of Ti-6Al-4V ingot is selected herein. A 3D FE-based numerical method was used to investigate the open die forging process with respect to the real working conditions. The simulation results were validated by the collected experimental process parameters from the forging system. Moreover, design of experiment method is adopted regarding the variation of process parameters to reveal the effects of critical factors on product deformation and quality characteristics. Results show that the process parameters including press speed, feed and reduction has significant effect on the workpiece deformation and effective strain which represents the forged billet formability and quality. Improved process parameters method is suggested with respect to the experienced benchmark based on the sensitivity analysis.

Original languageEnglish
Title of host publication15th International Conference on Metal Forming 2014
Subtitle of host publicationPalermo, Italy; 21-24 September 2014
EditorsFabrizio Micari, Livan Fratini
Place of PublicationSwitzerland
PublisherTrans Tech Publications
Number of pages8
ISBN (Electronic)9783038351931
Publication statusPublished - 2014
EventInternational Conference on Metal Forming 2014 - Palermo, Italy
Duration: 21 Sept 201424 Sept 2014
Conference number: 15th

Publication series

NameKey Engineering Materials
PublisherTrans Tech Publications Ltd
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795


ConferenceInternational Conference on Metal Forming 2014
OtherKey Engineering Materials Volumes 622-623
Internet address


  • Numerical simulation;
  • Open die forging
  • Process parameter
  • Sensitivity analysis
  • Ti-6Al-4V alloy

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