# Fabricating a single-crystal-like β grain structure of a near-β Ti alloy with unique variant selection by laser powder bed fusion

https://mdr.nims.go.jp/datasets/5b86c084-a388-4c63-b86b-00fbe8fca7d2

## File

- [970_Fabricating a single-crystal-like β grain structure of a near-β Ti alloy with unique variant selection by laser powder bed fusion.pdf](https://mdr.nims.go.jp/filesets/d04948a6-0d2c-4fc9-9024-a0fc67b8d23f/download) ([Detail](https://mdr.nims.go.jp/filesets/d04948a6-0d2c-4fc9-9024-a0fc67b8d23f.md))

## Id

5b86c084-a388-4c63-b86b-00fbe8fca7d2

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-09-30T02:02:49.940163Z

## Updated at

2024-09-30T07:30:25.728139Z

## Published at

2024-09-30T07:30:25.831400Z

## Doi



## First published url

https://doi.org/10.1016/j.matdes.2024.113039

## Date published

2024-05-23

## Recorded date published

2024-7

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Fabricating a single-crystal-like β grain structure of a near-β Ti alloy
    with unique variant selection by laser powder bed fusion
  title_type: original
  lang: en

## Description

- description: A near-β Ti alloy with a highly anisotropic single-crystal-like β grain
    structure was fabricated on a polycrystalline pure-Ti substrate by laser powder
    bed fusion (LPBF) using a flat-top laser with bidirectional scanning and 90° hatch
    rotation. The as fabricated specimen had an acicular microstructure with 12 α
    variants. β-annealing followed by air-cooling revealed the growth of columnar
    β grains with a <001> orientation in the build direction from the center outward
    with increasing height, which formed a highly anisotropic β grain structure with
    a <001> orientation in the build direction and <100> or <010> orientation along
    the scan direction with low-angle grain boundaries (LAGBs) in the β matrix. The
    predominant <2-1-10>-oriented and minor <10-12>-oriented α phases precipitated
    from the <001>-oriented β matrix according to the Burgers orientation relationship.
    The <10-12>-oriented α phase was found to form on some LAGBs. Notably, a single
    α variant was widely distributed without forming multiple variant clusters across
    the highly anisotropic β grain structure.
  description_type: abstract
  lang: und

## Creator

- name: Tomonori Kitashima
  role: author
  orcid: https://orcid.org/0000-0003-0828-7483
  organization: National Institute for Materials Science
- name: Takanobu Hiroto
  role: author
  orcid: https://orcid.org/0000-0002-6176-5782
  organization: National Institute for Materials Science
- name: Dennis Edgard Jodi
  role: author
  orcid: https://orcid.org/0000-0002-5398-4539
  organization: National Institute for Materials Science
- name: Makoto Watanabe
  role: author
  orcid: https://orcid.org/0000-0002-5064-9583
  organization: National Institute for Materials Science

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: Laser powder bed fusion
  schema: not_defined
- subject: Titanium
  schema: not_defined
- subject: Texture
  schema: not_defined
- subject: Precipitation
  schema: not_defined
- subject: Variant selection
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Materials & Design
  issn: '02641275'
  volume: '243'
  article_number: '113039'

## Conference



## Related item



## Funding

- identifier: AF-2022215-B3
  funder_name: Amada Foundation

## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: d04948a6-0d2c-4fc9-9024-a0fc67b8d23f
  filename: 970_Fabricating a single-crystal-like β grain structure of a near-β Ti
    alloy with unique variant selection by laser powder bed fusion.pdf
  content_type: application/pdf
  size: 12355944
  md5: 45a8a649867c9300e5f1a85dc9d21281

## Thumbnail

fileset_id: d04948a6-0d2c-4fc9-9024-a0fc67b8d23f
filename: 970_Fabricating a single-crystal-like β grain structure of a near-β Ti alloy
  with unique variant selection by laser powder bed fusion.pdf