Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications

Fuping Li; Jinshan Li; Hongchao Kou; Lian Zhou

doi:10.1016/j.msec.2015.11.074

Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

In this paper, porous Ti6Al4V alloys for biomedical applications were fabricated by diffusion bonding of alloy meshes. The compression-compression fatigue behavior was studied. It results that porous Ti6Al4V alloys show enhanced normalized fatigue strength which is in the range of 0.5-0.55 at 10⁶ cycles. The porosity has some effect on the absolute S-N curves but minor effect on the normalized S-N curves. The relationship between strain per cycle and number of cycles shows three distinct stages and the value of strain per cycle is constant in stage II. The reasons for the higher normalized fatigue strength of porous Ti6Al4V alloys are discussed based on the fatigue crack initiation and propagation.

Original language	English
Pages (from-to)	485-488
Number of pages	4
Journal	Materials Science and Engineering C
Volume	60
DOIs	https://doi.org/10.1016/j.msec.2015.11.074
State	Published - 1 Mar 2016

Keywords

Diffusion bonding
Fatigue
Normalized fatigue strength
Titanium alloys

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10.1016/j.msec.2015.11.074

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title = "Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications",

abstract = "In this paper, porous Ti6Al4V alloys for biomedical applications were fabricated by diffusion bonding of alloy meshes. The compression-compression fatigue behavior was studied. It results that porous Ti6Al4V alloys show enhanced normalized fatigue strength which is in the range of 0.5-0.55 at 106 cycles. The porosity has some effect on the absolute S-N curves but minor effect on the normalized S-N curves. The relationship between strain per cycle and number of cycles shows three distinct stages and the value of strain per cycle is constant in stage II. The reasons for the higher normalized fatigue strength of porous Ti6Al4V alloys are discussed based on the fatigue crack initiation and propagation.",

keywords = "Diffusion bonding, Fatigue, Normalized fatigue strength, Titanium alloys",

author = "Fuping Li and Jinshan Li and Hongchao Kou and Lian Zhou",

year = "2016",

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doi = "10.1016/j.msec.2015.11.074",

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T1 - Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications

AU - Li, Fuping

AU - Li, Jinshan

AU - Kou, Hongchao

AU - Zhou, Lian

PY - 2016/3/1

Y1 - 2016/3/1

N2 - In this paper, porous Ti6Al4V alloys for biomedical applications were fabricated by diffusion bonding of alloy meshes. The compression-compression fatigue behavior was studied. It results that porous Ti6Al4V alloys show enhanced normalized fatigue strength which is in the range of 0.5-0.55 at 106 cycles. The porosity has some effect on the absolute S-N curves but minor effect on the normalized S-N curves. The relationship between strain per cycle and number of cycles shows three distinct stages and the value of strain per cycle is constant in stage II. The reasons for the higher normalized fatigue strength of porous Ti6Al4V alloys are discussed based on the fatigue crack initiation and propagation.

AB - In this paper, porous Ti6Al4V alloys for biomedical applications were fabricated by diffusion bonding of alloy meshes. The compression-compression fatigue behavior was studied. It results that porous Ti6Al4V alloys show enhanced normalized fatigue strength which is in the range of 0.5-0.55 at 106 cycles. The porosity has some effect on the absolute S-N curves but minor effect on the normalized S-N curves. The relationship between strain per cycle and number of cycles shows three distinct stages and the value of strain per cycle is constant in stage II. The reasons for the higher normalized fatigue strength of porous Ti6Al4V alloys are discussed based on the fatigue crack initiation and propagation.

KW - Diffusion bonding

KW - Fatigue

KW - Normalized fatigue strength

KW - Titanium alloys

UR - https://www.scopus.com/pages/publications/84949035701

U2 - 10.1016/j.msec.2015.11.074

DO - 10.1016/j.msec.2015.11.074

M3 - 文章

C2 - 26706555

AN - SCOPUS:84949035701

SN - 0928-4931

VL - 60

SP - 485

EP - 488

JO - Materials Science and Engineering C

JF - Materials Science and Engineering C

ER -

Porous Ti6Al4V alloys with enhanced normalized fatigue strength for biomedical applications

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Keywords

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