Welding experiments using vacuum environment with Nd:YAG-laser

Miikka Karhu; Tommi Jokinen; Veli Kujanpää

doi:10.2351/1.5060029

Welding experiments using vacuum environment with Nd:YAG-laser

Miikka Karhu, Tommi Jokinen, Veli Kujanpää

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

It is known that with electron beam welding produced in vacuum environment, deep and narrow welds with superior quality can be achieved. In some studies, this has inspired to use vacuum also with laser in order to improve already good performance achieved in atmospheric pressure. It has been reported that use of vacuum increases penetration, change profile of weld cross-section and produce less porosity. In this study bead-on-plate Nd:YAG-laser welding experiments were carried out in vacuum and in atmospheric pressure in order to clarify the effect of vacuum on penetration and weld bead geometry. Materials used in the experiments were austenitic stainless steels AISI 304L, AISI 316LN and basic mild steel S235. Evaluations of the welds were done by visually and macroscopically from the macro cross-sections. Also occurrence of weld defects was taken into account.

Original language	English
Title of host publication	ICALEO 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication
Publisher	Laser Institute of America
ISBN (Print)	978-0-912035-75-8
DOIs	https://doi.org/10.2351/1.5060029
Publication status	Published - 2003
MoE publication type	A4 Article in a conference publication
Event	22nd International Congress on Laser Materials Processing and Laser Microfabrication ICALEO 2003 - Jacksonville, United States Duration: 13 Oct 2003 → 16 Oct 2003

Conference

Conference	22nd International Congress on Laser Materials Processing and Laser Microfabrication ICALEO 2003
Country/Territory	United States
City	Jacksonville
Period	13/10/03 → 16/10/03

Keywords

laser welding
Nd:YAG-laser
vacuum environment
penetration

Access to Document

10.2351/1.5060029

Cite this

@inproceedings{97716cd77810423cbee9e7629e7b0dd4,

title = "Welding experiments using vacuum environment with Nd:YAG-laser",

abstract = "It is known that with electron beam welding produced in vacuum environment, deep and narrow welds with superior quality can be achieved. In some studies, this has inspired to use vacuum also with laser in order to improve already good performance achieved in atmospheric pressure. It has been reported that use of vacuum increases penetration, change profile of weld cross-section and produce less porosity. In this study bead-on-plate Nd:YAG-laser welding experiments were carried out in vacuum and in atmospheric pressure in order to clarify the effect of vacuum on penetration and weld bead geometry. Materials used in the experiments were austenitic stainless steels AISI 304L, AISI 316LN and basic mild steel S235. Evaluations of the welds were done by visually and macroscopically from the macro cross-sections. Also occurrence of weld defects was taken into account.",

keywords = "laser welding, Nd:YAG-laser, vacuum environment, penetration",

author = "Miikka Karhu and Tommi Jokinen and Veli Kujanp{\"a}{\"a}",

note = "Project code: G3SU00339; 22nd International Congress on Laser Materials Processing and Laser Microfabrication ICALEO 2003 ; Conference date: 13-10-2003 Through 16-10-2003",

year = "2003",

doi = "10.2351/1.5060029",

language = "English",

isbn = "978-0-912035-75-8",

booktitle = "ICALEO 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication",

publisher = "Laser Institute of America",

address = "United States",

}

Karhu, M, Jokinen, T & Kujanpää, V 2003, Welding experiments using vacuum environment with Nd:YAG-laser. in ICALEO 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication., 1708, Laser Institute of America, 22nd International Congress on Laser Materials Processing and Laser Microfabrication ICALEO 2003, Jacksonville, Florida, United States, 13/10/03. https://doi.org/10.2351/1.5060029

Welding experiments using vacuum environment with Nd:YAG-laser. / Karhu, Miikka; Jokinen, Tommi; Kujanpää, Veli.
ICALEO 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2003. 1708.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

TY - GEN

T1 - Welding experiments using vacuum environment with Nd:YAG-laser

AU - Karhu, Miikka

AU - Jokinen, Tommi

AU - Kujanpää, Veli

N1 - Project code: G3SU00339

PY - 2003

Y1 - 2003

N2 - It is known that with electron beam welding produced in vacuum environment, deep and narrow welds with superior quality can be achieved. In some studies, this has inspired to use vacuum also with laser in order to improve already good performance achieved in atmospheric pressure. It has been reported that use of vacuum increases penetration, change profile of weld cross-section and produce less porosity. In this study bead-on-plate Nd:YAG-laser welding experiments were carried out in vacuum and in atmospheric pressure in order to clarify the effect of vacuum on penetration and weld bead geometry. Materials used in the experiments were austenitic stainless steels AISI 304L, AISI 316LN and basic mild steel S235. Evaluations of the welds were done by visually and macroscopically from the macro cross-sections. Also occurrence of weld defects was taken into account.

AB - It is known that with electron beam welding produced in vacuum environment, deep and narrow welds with superior quality can be achieved. In some studies, this has inspired to use vacuum also with laser in order to improve already good performance achieved in atmospheric pressure. It has been reported that use of vacuum increases penetration, change profile of weld cross-section and produce less porosity. In this study bead-on-plate Nd:YAG-laser welding experiments were carried out in vacuum and in atmospheric pressure in order to clarify the effect of vacuum on penetration and weld bead geometry. Materials used in the experiments were austenitic stainless steels AISI 304L, AISI 316LN and basic mild steel S235. Evaluations of the welds were done by visually and macroscopically from the macro cross-sections. Also occurrence of weld defects was taken into account.

KW - laser welding

KW - Nd:YAG-laser

KW - vacuum environment

KW - penetration

U2 - 10.2351/1.5060029

DO - 10.2351/1.5060029

M3 - Conference article in proceedings

SN - 978-0-912035-75-8

BT - ICALEO 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication

PB - Laser Institute of America

T2 - 22nd International Congress on Laser Materials Processing and Laser Microfabrication ICALEO 2003

Y2 - 13 October 2003 through 16 October 2003

ER -

Welding experiments using vacuum environment with Nd:YAG-laser

Abstract

Conference

Keywords

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