A Study on the Generation of Negative Tapered Holes in Laser Process of the Metal Material
This study investigates the effect of laser processing parameters on the generation of negative tapered holes and their potential application in improving adhesive joint strength for an overlap joint. A process variable experiment was conducted to analyze the relationship between the laser beam puls...
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| Veröffentlicht in: | International Journal of Precision Engineering and Manufacturing, 24(11) 2023, 24(11), , pp.1961-1974 |
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| container_end_page | 1974 |
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| container_issue | 11 |
| container_start_page | 1961 |
| container_title | International Journal of Precision Engineering and Manufacturing, 24(11) |
| container_volume | 24 |
| creator | Woo, Seong Cheol Kim, Ji Hun Kim, Joohan |
| description | This study investigates the effect of laser processing parameters on the generation of negative tapered holes and their potential application in improving adhesive joint strength for an overlap joint. A process variable experiment was conducted to analyze the relationship between the laser beam pulse energy, the number of laser scans for depth adjustment, and the laser focus position on the inner hole geometry. The results show that the peak pulse energy and laser focus depth are the primary factors affecting the formation of negative taper angle, with the largest negative angle recorded locally at − 29°. To evaluate the practical application of holes with negative tapered geometry, an overlap joint of titanium alloy specimens was performed using epoxy adhesive. Eight holes with taper angles of 10° and − 29° were fabricated on the surface of the titanium alloy specimen and used for joining. The tensile shear strength of the negative tapered holes was found to be 77.6 MPa, nearly double that of the positive tapered holes. Overall, this study highlights the potential benefits of negative taper holes for enhancing adhesive joint performance in overlap joints and provides insights into the impact of laser processing parameters on negative tapered hole formation. |
| doi_str_mv | 10.1007/s12541-023-00867-8 |
| format | Article |
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A process variable experiment was conducted to analyze the relationship between the laser beam pulse energy, the number of laser scans for depth adjustment, and the laser focus position on the inner hole geometry. The results show that the peak pulse energy and laser focus depth are the primary factors affecting the formation of negative taper angle, with the largest negative angle recorded locally at − 29°. To evaluate the practical application of holes with negative tapered geometry, an overlap joint of titanium alloy specimens was performed using epoxy adhesive. Eight holes with taper angles of 10° and − 29° were fabricated on the surface of the titanium alloy specimen and used for joining. The tensile shear strength of the negative tapered holes was found to be 77.6 MPa, nearly double that of the positive tapered holes. 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J. Precis. Eng. Manuf</addtitle><description>This study investigates the effect of laser processing parameters on the generation of negative tapered holes and their potential application in improving adhesive joint strength for an overlap joint. A process variable experiment was conducted to analyze the relationship between the laser beam pulse energy, the number of laser scans for depth adjustment, and the laser focus position on the inner hole geometry. The results show that the peak pulse energy and laser focus depth are the primary factors affecting the formation of negative taper angle, with the largest negative angle recorded locally at − 29°. To evaluate the practical application of holes with negative tapered geometry, an overlap joint of titanium alloy specimens was performed using epoxy adhesive. Eight holes with taper angles of 10° and − 29° were fabricated on the surface of the titanium alloy specimen and used for joining. The tensile shear strength of the negative tapered holes was found to be 77.6 MPa, nearly double that of the positive tapered holes. Overall, this study highlights the potential benefits of negative taper holes for enhancing adhesive joint performance in overlap joints and provides insights into the impact of laser processing parameters on negative tapered hole formation.</description><subject>Adhesive joints</subject><subject>Adhesive strength</subject><subject>Adhesives</subject><subject>Angles (geometry)</subject><subject>Engineering</subject><subject>Industrial and Production Engineering</subject><subject>Lap joints</subject><subject>Laser beams</subject><subject>Laser processing</subject><subject>Lasers</subject><subject>Materials Science</subject><subject>Process parameters</subject><subject>Process variables</subject><subject>Regular Paper</subject><subject>Shear strength</subject><subject>Tapering</subject><subject>Titanium alloys</subject><subject>Titanium base alloys</subject><subject>기계공학</subject><issn>2234-7593</issn><issn>2005-4602</issn><issn>2205-4602</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kEFLwzAUx4soOOa-gKeAN6H6krRpchxDt8GmovPiJWTt66yrzUw6Yd_edBW8eXrvwe__4_GPoksKNxQgu_WUpQmNgfEYQIoslifRgAGkcSKAnYad8STOUsXPo5H31Ro4ZYKnUgyitzF5affFgdiGtO9IptigM20VTluSB9yE_RvJyuzQYUFmtkZPqoYsjEdHnpzN0fsO7cJLbE1NlqZFV5n6IjorTe1x9DuH0ev93WoyixeP0_lkvIhzDmkblzJbZ8hMUdLS5FxQRfOsoJKXSkFmJHCRcClACQ4ojEhpkWBhikIlIBSmfBhd997GlXqbV9qa6jg3Vm-dHj-v5poCZ0EtA3zVwztnv_boW_1h964J_2kmJZMK0kQFivVU7qz3Dku9c9WncYcg0l3nuu9ch871sXPdqXkf8gFuNuj-1P-kfgCHkYGW</recordid><startdate>20231101</startdate><enddate>20231101</enddate><creator>Woo, Seong Cheol</creator><creator>Kim, Ji Hun</creator><creator>Kim, Joohan</creator><general>Korean Society for Precision Engineering</general><general>Springer Nature B.V</general><general>한국정밀공학회</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ACYCR</scope><orcidid>https://orcid.org/0000-0001-9412-3914</orcidid></search><sort><creationdate>20231101</creationdate><title>A Study on the Generation of Negative Tapered Holes in Laser Process of the Metal Material</title><author>Woo, Seong Cheol ; Kim, Ji Hun ; Kim, Joohan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c305t-f87b7e2adf1fac36191c7d183f9907a8036438609630e6a651d4edadd94069e53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Adhesive joints</topic><topic>Adhesive strength</topic><topic>Adhesives</topic><topic>Angles (geometry)</topic><topic>Engineering</topic><topic>Industrial and Production Engineering</topic><topic>Lap joints</topic><topic>Laser beams</topic><topic>Laser processing</topic><topic>Lasers</topic><topic>Materials Science</topic><topic>Process parameters</topic><topic>Process variables</topic><topic>Regular Paper</topic><topic>Shear strength</topic><topic>Tapering</topic><topic>Titanium alloys</topic><topic>Titanium base alloys</topic><topic>기계공학</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Woo, Seong Cheol</creatorcontrib><creatorcontrib>Kim, Ji Hun</creatorcontrib><creatorcontrib>Kim, Joohan</creatorcontrib><collection>CrossRef</collection><collection>Korean Citation Index</collection><jtitle>International Journal of Precision Engineering and Manufacturing, 24(11)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Woo, Seong Cheol</au><au>Kim, Ji Hun</au><au>Kim, Joohan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on the Generation of Negative Tapered Holes in Laser Process of the Metal Material</atitle><jtitle>International Journal of Precision Engineering and Manufacturing, 24(11)</jtitle><stitle>Int. J. Precis. Eng. Manuf</stitle><date>2023-11-01</date><risdate>2023</risdate><volume>24</volume><issue>11</issue><spage>1961</spage><epage>1974</epage><pages>1961-1974</pages><issn>2234-7593</issn><eissn>2005-4602</eissn><eissn>2205-4602</eissn><abstract>This study investigates the effect of laser processing parameters on the generation of negative tapered holes and their potential application in improving adhesive joint strength for an overlap joint. A process variable experiment was conducted to analyze the relationship between the laser beam pulse energy, the number of laser scans for depth adjustment, and the laser focus position on the inner hole geometry. The results show that the peak pulse energy and laser focus depth are the primary factors affecting the formation of negative taper angle, with the largest negative angle recorded locally at − 29°. To evaluate the practical application of holes with negative tapered geometry, an overlap joint of titanium alloy specimens was performed using epoxy adhesive. Eight holes with taper angles of 10° and − 29° were fabricated on the surface of the titanium alloy specimen and used for joining. The tensile shear strength of the negative tapered holes was found to be 77.6 MPa, nearly double that of the positive tapered holes. Overall, this study highlights the potential benefits of negative taper holes for enhancing adhesive joint performance in overlap joints and provides insights into the impact of laser processing parameters on negative tapered hole formation.</abstract><cop>Seoul</cop><pub>Korean Society for Precision Engineering</pub><doi>10.1007/s12541-023-00867-8</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0001-9412-3914</orcidid></addata></record> |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Adhesive joints Adhesive strength Adhesives Angles (geometry) Engineering Industrial and Production Engineering Lap joints Laser beams Laser processing Lasers Materials Science Process parameters Process variables Regular Paper Shear strength Tapering Titanium alloys Titanium base alloys 기계공학 |
| title | A Study on the Generation of Negative Tapered Holes in Laser Process of the Metal Material |
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