Study on the influence of surface roughness on tensile and low-cycle fatigue behavior of electron beam melted Ti‐6Al‐4V
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Dongye Yang
,
Ke Si
Abstract
Surface quality is a key factor in determining the mechanical performance of metallic materials. In this study, the influence of surface roughness on quasi-static mode tensile and low fatigue behavior of electron beam melted (EBMed) Ti‐6Al‐4V was studied. The results showed that the microstructure of the EBMed Ti‐6Al‐4V is mainly composed of α and β phases. It was found that the yield strength of the as-polished EBMed sample was about 200 MPa higher than the original EBMed sample, and the fatigue life was three times that. The fatigue crack initiation and propagation were explored, and it was found that the fatigue life was reduced on account of the thermal stress concentration that was generated as a result of the solidification shrinkage and the local stress concentration.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
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- News
- DGM – Deutsche Gesellschaft für Materialkunde
Articles in the same Issue
- Frontmatter
- Editorial
- Additive manufacturing and allied technologies
- Original Papers
- Influence of process parameters on ageing and free vibration characteristics of fiber-reinforced polymer composites by fusion filament fabrication process
- 3D biomimetic scaffold’s dimensional accuracy: a crucial geometrical response for bone tissue engineering
- Investigation of mechanical and microstructure properties of metal inert gas based wire arc additive manufactured Inconel 600 superalloy
- Study on the influence of surface roughness on tensile and low-cycle fatigue behavior of electron beam melted Ti‐6Al‐4V
- Effect of tool pin profile on the heat generation model of the friction stir welding of aluminium alloy
- Effect of clamping position on the residual stress in wire arc additive manufacturing
- Effect of welding speed on butt joint quality of laser powder bed fusion AlSi10Mg parts welded using Nd:YAG laser
- Mechanical behaviour, microstructure and texture studies of wire arc additive manufactured 304L stainless steel
- Evolution of microstructure and properties of CoCrFeMnNi high entropy alloy fabricated by selective laser melting
- Effect of laser energy density on surface morphology, microstructure and mechanical behaviour of direct metal laser melted 17-4 PH stainless steel
- The influence of rheology in the fabrication of ceramic-based scaffold for bone tissue engineering
- Behaviour of glass fiber reinforced polymer (GFRP) structural profile columns under axial compression
- Desirability function analysis approach for optimization of fused deposition modelling process parameters
- Effect of robotic weaving motion on mechanical and microstructural characteristics of wire arc additively manufactured NiTi shape memory alloy
- Rapid tooling of composite aluminium filled epoxy mould for injection moulding of polypropylene parts with small protruded features
- Investigation of microstructural evolution in a hybrid additively manufactured steel bead
- Fused filament fabricated PEEK based polymer composites for orthopaedic implants: a review
- Design of fixture for ultrasonic assisted gas tungsten arc welding using an integrated approach
- Effect of post-processing treatment on 3D-printed polylactic acid parts: layer interfaces and mechanical properties
- Investigating the effect of input parameters on tool wear in incremental sheet metal forming
- Microstructural evolution and improved corrosion resistance of NiCrSiFeB coatings prepared by laser cladding
- Microstructure and electrochemical behaviour of laser clad stainless steel 410 substrate with stainless steel 420 particles
- News
- DGM – Deutsche Gesellschaft für Materialkunde
