THE EFFECT OF GAP ANGLE ON TENSILE STRENGTH OF PRECERAMIC BASE METAL SOLDER JOINTS

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FATTAHI FARNAZ; HASHEMI ARDAKANI ZAHRA; HASHEMI ARDAKANI MARYAM

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Journal Paper

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Journal: Journal of Dentistry Year:2015 | Volume:16 | Issue:4 Page(s): 310-313

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Title

THE EFFECT OF GAP ANGLE ON TENSILE STRENGTH OF PRECERAMIC BASE METAL SOLDER JOINTS

Author(s)

FATTAHI FARNAZ | HASHEMI ARDAKANI ZAHRA | HASHEMI ARDAKANI MARYAM | Issue Writer Certificate

Keywords

BASE METAL

SOLDER GAP ANGLE

SOLDER JOINT

TENSILE STRENGTH

Abstract

Statement of the Problem: Soldering is a process commonly used in fabricating dental prosthesis. Since most soldered prosthesis fail at the SOLDER JOINTs; the joint strength is of utmost importance.Purpose: The purpose of this study was to evaluate the effect of gap angle on the TENSILE STRENGTH of BASE METAL SOLDER JOINTs.Materials and Method: A total number of 40 Ni-Cr samples were fabricated according to ADA/ISO 9693 specifications for tensile test. Samples were cut at the midpoint of the bar, and were placed at the considered angles by employing an explicitly designed device. They were divided into 4 groups regarding the gap angle; Group C (control group) with parallel gap on steady distance of 0.2mm, Group 1: 10o, Group2: 20o, and Group3: 30o gap angles. When soldered, the specimens were all tested for TENSILE STRENGTH using a universal testing machine at a cross-head speed of 0.5 mm/min with a preload of 10N. Kruskal-Wallis H test was used to compare TENSILE STRENGTH among the groups (p< 0.05).Results: The mean TENSILE STRENGTH values obtained from the study groups were respectively 307.84, 391.50, 365.18, and 368.86 MPa. The TENSILE STRENGTH was not statistically different among the four groups in general (p£0.490).Conclusion: Making the gap angular at the SOLDER JOINTs and the subsequent unsteady increase of the gap distance would not change the TENSILE STRENGTH of the joint.

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APA: Copy

FATTAHI, FARNAZ, HASHEMI ARDAKANI, ZAHRA, & HASHEMI ARDAKANI, MARYAM. (2015). THE EFFECT OF GAP ANGLE ON TENSILE STRENGTH OF PRECERAMIC BASE METAL SOLDER JOINTS. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 16(4), 310-313. SID. https://sid.ir/paper/673765/en

Vancouver: Copy

FATTAHI FARNAZ, HASHEMI ARDAKANI ZAHRA, HASHEMI ARDAKANI MARYAM. THE EFFECT OF GAP ANGLE ON TENSILE STRENGTH OF PRECERAMIC BASE METAL SOLDER JOINTS. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2015;16(4):310-313. Available from: https://sid.ir/paper/673765/en

IEEE: Copy

FARNAZ FATTAHI, ZAHRA HASHEMI ARDAKANI, and MARYAM HASHEMI ARDAKANI, “THE EFFECT OF GAP ANGLE ON TENSILE STRENGTH OF PRECERAMIC BASE METAL SOLDER JOINTS,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 16, no. 4, pp. 310–313, 2015, [Online]. Available: https://sid.ir/paper/673765/en

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