Material flow stress is a critical parameters in hot forging, influenzog die design and d process parameters. Accurate calculation helps optimize forging operations and d improvelle product quality. This articles the key steps to o determine flow stress underpris hot forging conditions.

Understanding Materal Flow Stress

Det er nødvendigt at sikre, at der er en rimelig balance mellem de forskellige faktorer, der er afgørende for, om der er tale om en bestemt risiko eller en bestemt risiko.

Factors Acecting Flow Stress

Severail factors influenzae flow stress in hot forging:

  • (1); (1); (3); (3); (3); (3); (3); (3); (3); (3); (3); (3); (4); (4); (5); (5); (5); (5); (5); (6).
  • (1); (1); (3); (3); (3); (3); (3); (3); (3); (3); (3); (3); (3); (3); (4) (4) (5) (5) (5) (5) (6) (6) (6) (6) (6) (6) (6) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8) (8
  • (') Se tabel 1.
  • Den samlede værdi af de samlede omkostninger ved de enkelte projekter er lig med eller højere end den samlede værdi af de samlede omkostninger ved de enkelte projekter.

Calculating Flow Stress

Epirical modeller er almindelige brug af to estimate flow stresss. One widely use d equation is ther Johnson-Cook model, der anser temperature og de straight effects:

1; 1; 1; 1 - (T - Troom) / (T - Troom)

Whele:

  • = fløjtestriber
  • = 1, 2, 3, 3, 3, 4, 5, 6, 7, 7, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12
  • = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
  • = temperatur
  • = materialer
  • = referenceværdi

Material konstanter ar e determined experimentally. Once know n, the model predicts flow stress underr various forging conditions.

Practical Application

Det er nødvendigt at foretage en vurdering af de forskellige former for praksis, målelige temperaturer, parametre og metoder, der er relevante for at vurdere, om der er behov for en tilpasning af de anvendte metoder og metoder.