Experimental Investigation on Fatigue Evaluation of Orthopaedic Locking Compression Plate

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Mohajerzadeh Saenoddin; FARHANGDOOST KHALIL; Zamani Pedram; KOLASANGIANI KAMAL

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2018 | Volume:11 | Issue:4 Page(s): 47-52

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Title

Experimental Investigation on Fatigue Evaluation of Orthopaedic Locking Compression Plate

Author(s)

Mohajerzadeh Saenoddin | FARHANGDOOST KHALIL | Zamani Pedram | KOLASANGIANI KAMAL | Issue Writer Certificate

Keywords

Failure Analysis

Fatigue Life

Four-Point Bending

Locking Compression Plate

Striation Spacing

Abstract

Locking Compression Plate (LCP) is a common orthopedic instrument for internal fixation and healing of bone trauma. It is important to study on mechanical behavior and failure investigation of LCP because its failure leads to lots of cost and pain to the patient. In this paper, Fatigue Life of an eight-hole tibia LCP is evaluated under flexural loading. A Four-Point Bending jig is manufactured and fatigue tests are performed for different compression loads. Fatigue Life cycles are investigated for compression loads of 500, 600, 700, 800, 900 and 1000 N and relation between compression load and life cycles is estimated. 125 walking days is estimated for the patient during treatment period according to life cycle results. Post Failure Analysis results on fracture surface revealed that the crack initiated from the edge of compression hole and propagated from lower to the upper surface of LCP according to beach marks. Finally, Scanning electron microscopy (SEM) on the fracture surface revealed striations as a proof of fatigue crack growth. The Striation Spacing near the crack initiation site is found to be smaller than this spacing far from the initiation zone. The fatigue crack propagation life is estimated as 1600 cycles according to the number of Striation Spacings.

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APA: Copy

Mohajerzadeh, Saenoddin, FARHANGDOOST, KHALIL, Zamani, Pedram, & KOLASANGIANI, KAMAL. (2018). Experimental Investigation on Fatigue Evaluation of Orthopaedic Locking Compression Plate. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 11(4), 47-52. SID. https://sid.ir/paper/715645/en

Vancouver: Copy

Mohajerzadeh Saenoddin, FARHANGDOOST KHALIL, Zamani Pedram, KOLASANGIANI KAMAL. Experimental Investigation on Fatigue Evaluation of Orthopaedic Locking Compression Plate. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2018;11(4):47-52. Available from: https://sid.ir/paper/715645/en

IEEE: Copy

Saenoddin Mohajerzadeh, KHALIL FARHANGDOOST, Pedram Zamani, and KAMAL KOLASANGIANI, “Experimental Investigation on Fatigue Evaluation of Orthopaedic Locking Compression Plate,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 11, no. 4, pp. 47–52, 2018, [Online]. Available: https://sid.ir/paper/715645/en

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