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August 16, 2026Journal of materials research/Pratt's guide to venture capital sourcesOpen Access

Effect of solution treatment on creep response of additively manufactured AISI316L

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Authors

ESEleonora SantecchiaASA. SantoniGVG. Virgili

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Overview

Experimental study demonstrates reduced creep rupture life in annealed additively manufactured 316L steel, highlighting the critical impact of pre-existing manufacturing cavities.

Key Points

  • To evaluate the short-term creep behavior and rupture mechanisms of laser powder bed fusion (LPBF) AISI 316L stainless steel following annealing at 1050 °C.
  • Fabricated AISI 316L stainless steel specimens using laser powder bed fusion (LPBF) and applied a solution annealing heat treatment at 1050 °C.
  • Conducted short-term creep tests at 600 °C and 650 °C to measure minimum creep rates, strain to rupture, and failure modes relative to as-deposited and wrought steel.
  • Annealing increased minimum creep rate and total strain to rupture relative to as-deposited steel, yielding stress and temperature dependencies equivalent to wrought material.
  • Time to rupture for annealed LPBF steel was approximately 50% shorter than that of conventional wrought steel.
  • Specimens exhibited intergranular fracture driven by premature damage nucleation at pre-existing pores and cavities formed during the additive manufacturing process.

Cite This Study

Santecchia et al. (2026) studied this question.

synapsesocial.com/papers/6a817a4cf2fb91fc834adf46https://doi.org/10.1557/s43578-026-01946-y
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Short-term creep response of AISI 316L stainless steel fabricated by laser powder bed fusion: experiments and physically based modeling2026 · 4 citations
  2. 2Effect of heat treatment on the creep properties and microstructural evolution of stainless steel 316L produced by laser powder bed fusion.2026
  3. 3Pre-qualification of additively manufactured 316L stainless steel using small punch and uniaxial creep testing2025
  4. 4Pre-qualification of additively manufactured 316L stainless steel using small punch and uniaxial creep testing2025
  5. 5Effect of annealing treatment on the microstructure evolution and corrosion behavior of 316L stainless steel manufactured by laser powder bed fusion2026