A review of laser fabrication of metallic engineering components and of materials
Xinhua Wu
Metallurgy and Materials
The state of the art and directions for the future development of two laser based technologies, direct laser fabrication in which powder is fed into the focal point of a laser, and a laser powder bed technology are outlined in this review. The areas in which these technologies have made significant contributions are: the manufacture, directly from powder, of alloys and of functionally graded materials which enables a range of compositions to be assessed rapidly and the manufacture of net shape and the repair of engineering components. It is suggested that rapid assessment of structure/property relationships in a range of compositions will continue to be a useful application of laser fabrication. It is further concluded that the two approaches, direct laser fabrication and laser powder bed will continue to be developed since each has its own advantages and disadvantages; direct laser fabrication is the preferred technique for alloy development work and for component repair but laser bed technology is currently the preferred technology for the manufacture of small components which require a good surface finish. Improvements in surface finish, in dimensional accuracy, in microstructural control and in process control with real time feedback to control properties are nevertheless required if these technologies are to increase their impact in the area of the manufacture of net shape components.
Materials Science and Technology
https://doi.org/10.1179/174328407X179593
net shape
thermal profiles
microstructures
laser fabrication
10.1179/174328407X179593
Dive into the research topics of 'A review of laser fabrication of metallic engineering components and of materials'. Together they form a unique fingerprint.
engineering Physics & Astronomy 100%
fabrication Physics & Astronomy 81%
beds Physics & Astronomy 43%
Wu, X. (2007). A review of laser fabrication of metallic engineering components and of materials. Materials Science and Technology, 23(6), 631-640. https://doi.org/10.1179/174328407X179593
Wu, Xinhua. / A review of laser fabrication of metallic engineering components and of materials. In: Materials Science and Technology. 2007 ; Vol. 23, No. 6. pp. 631-640.
@article{fc69fc67a6ce40b6840e2ff8d5835666,
title = "A review of laser fabrication of metallic engineering components and of materials",
abstract = "The state of the art and directions for the future development of two laser based technologies, direct laser fabrication in which powder is fed into the focal point of a laser, and a laser powder bed technology are outlined in this review. The areas in which these technologies have made significant contributions are: the manufacture, directly from powder, of alloys and of functionally graded materials which enables a range of compositions to be assessed rapidly and the manufacture of net shape and the repair of engineering components. It is suggested that rapid assessment of structure/property relationships in a range of compositions will continue to be a useful application of laser fabrication. It is further concluded that the two approaches, direct laser fabrication and laser powder bed will continue to be developed since each has its own advantages and disadvantages; direct laser fabrication is the preferred technique for alloy development work and for component repair but laser bed technology is currently the preferred technology for the manufacture of small components which require a good surface finish. Improvements in surface finish, in dimensional accuracy, in microstructural control and in process control with real time feedback to control properties are nevertheless required if these technologies are to increase their impact in the area of the manufacture of net shape components.",
keywords = "net shape, powder processing, thermal profiles, microstructures, laser fabrication",
author = "Xinhua Wu",
doi = "10.1179/174328407X179593",
journal = "Materials Science and Technology",
publisher = "Maney Publishing",
Wu, X 2007, 'A review of laser fabrication of metallic engineering components and of materials', Materials Science and Technology, vol. 23, no. 6, pp. 631-640. https://doi.org/10.1179/174328407X179593
A review of laser fabrication of metallic engineering components and of materials. / Wu, Xinhua.
In: Materials Science and Technology, Vol. 23, No. 6, 01.06.2007, p. 631-640.
T1 - A review of laser fabrication of metallic engineering components and of materials
AU - Wu, Xinhua
N2 - The state of the art and directions for the future development of two laser based technologies, direct laser fabrication in which powder is fed into the focal point of a laser, and a laser powder bed technology are outlined in this review. The areas in which these technologies have made significant contributions are: the manufacture, directly from powder, of alloys and of functionally graded materials which enables a range of compositions to be assessed rapidly and the manufacture of net shape and the repair of engineering components. It is suggested that rapid assessment of structure/property relationships in a range of compositions will continue to be a useful application of laser fabrication. It is further concluded that the two approaches, direct laser fabrication and laser powder bed will continue to be developed since each has its own advantages and disadvantages; direct laser fabrication is the preferred technique for alloy development work and for component repair but laser bed technology is currently the preferred technology for the manufacture of small components which require a good surface finish. Improvements in surface finish, in dimensional accuracy, in microstructural control and in process control with real time feedback to control properties are nevertheless required if these technologies are to increase their impact in the area of the manufacture of net shape components.
AB - The state of the art and directions for the future development of two laser based technologies, direct laser fabrication in which powder is fed into the focal point of a laser, and a laser powder bed technology are outlined in this review. The areas in which these technologies have made significant contributions are: the manufacture, directly from powder, of alloys and of functionally graded materials which enables a range of compositions to be assessed rapidly and the manufacture of net shape and the repair of engineering components. It is suggested that rapid assessment of structure/property relationships in a range of compositions will continue to be a useful application of laser fabrication. It is further concluded that the two approaches, direct laser fabrication and laser powder bed will continue to be developed since each has its own advantages and disadvantages; direct laser fabrication is the preferred technique for alloy development work and for component repair but laser bed technology is currently the preferred technology for the manufacture of small components which require a good surface finish. Improvements in surface finish, in dimensional accuracy, in microstructural control and in process control with real time feedback to control properties are nevertheless required if these technologies are to increase their impact in the area of the manufacture of net shape components.
KW - net shape
KW - powder processing
KW - thermal profiles
KW - microstructures
KW - laser fabrication
U2 - 10.1179/174328407X179593
DO - 10.1179/174328407X179593
JO - Materials Science and Technology
JF - Materials Science and Technology
Wu X. A review of laser fabrication of metallic engineering components and of materials. Materials Science and Technology. 2007 Jun 1;23(6):631-640. https://doi.org/10.1179/174328407X179593