Fatigue Performance of Natural and Synthetic Rattan Strips Subjected to Cyclic Tensile Loading

Yanting Gu,Jilei Zhang

doi:10.3390/f13010076

Abstract

Tensile fatigue performances of selected natural rattan strips (NRSs) and synthetic rattan strips (SRSs) were evaluated by subjecting them to zero-to-maximum constant amplitude cyclic tensile loading. Experimental results indicated that a fatigue life of 25,000 cycles began at the stress level of 50% of rattan material ultimate tensile strength (UTS) value for NRSs evaluated. Rattan core strips’ fatigue life of 100,000 cycles started at the stress level of 30% of its UTS value. Rattan bast strips could start a fatigue life of 100,000 cycles at a stress level below 30% of material UTS value. SRSs didn’t reach the fatigue life of 25,000 cycles until the applied stress level reduced to 40% of material UTS value and reached the fatigue life of 100,000 cycles at the stress level of 40% of material UTS value. It was found that NRSs’ S-N curves (applied nominal stress versus log number of cycles to failure) could be approximated by S=σou(1−H×log10⋅Nf). The constant H values in the equation were 0.10 and 0.08 for bast and core materials, respectively.

Highlights

A rattan seating furniture consists of woven seat foundation and back support surfaces with natural rattan strips (NRSs) and frames made of natural rattan stem, wood, or metal materials with their connections wrapped with rattan strips as external structural reinforcement and decoration as well [1,2,3,4,5]
Gu et al [1] investigated the fatigue performance of seat foundations of natural rattan chairs subjected to vertical loads, observed that in general rattan strips were broken in tension, and suggested that tensile strength properties need to be investigated
To fill these knowledge gaps, we have been carrying out a systematic study on the investigation of static, fatigue, and creep behaviors of NRS and synthetic rattan strips (SRSs) materials as seating furniture structural components subjected to tensile loading

Summary

Introduction

A rattan seating furniture consists of woven seat foundation and back support surfaces with natural rattan strips (NRSs) and frames made of natural rattan stem, wood, or metal materials with their connections wrapped with rattan strips as external structural reinforcement and decoration as well [1,2,3,4,5]. Gu et al [1] investigated the fatigue performance of seat foundations of natural rattan chairs subjected to vertical loads, observed that in general rattan strips were broken in tension, and suggested that tensile strength properties need to be investigated. To fill these knowledge gaps, we have been carrying out a systematic study on the investigation of static, fatigue, and creep behaviors of NRS and SRS materials as seating furniture structural components subjected to tensile loading. This paper reports our findings in evaluating the fatigue performance of rattan materials as seating furniture structural components

Objectives

Methods

Results