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Title: Effects of Aging Treatment and Shot Peening Variables of HCF Performance of Timetal LCB
Author: Kocan, Rack, Wagner
Source: Conf Proc: ICSP-9 (pg 320-325)
Publication year 2005
Document number: 2005104
Number of pages: 6
Abstract:
INTRODUCTION
Metastable beta-titanium alloys are considered as potential candidates for suspension spring materials because of their high specific strength, low elastic modulus and
outstanding corrosion resistance. The substitution of conventional spring steels by these alloys can result in a weight reduction of approx. 40% [1,2,3]. Because high costs
of titanium alloys have hindered so far their wide use in automotive application, the alloy LCB (Low-Cost Beta) was specifically developed to lower the formulation costs
through substituting the more costly beta stabilizing elements such as V and Nb through Fe and Mo. To take full advantage of this new alloy, systematic investigations aimed
at optimizing the mechanical behavior particularly, fatigue performance are needed.
In the present investigation, we will focus on the effects of aging treatments and shot peening variables, i.e., shot hardness and Almen intensity on the high cycle fatigue
(HCF) performance of TIMETAL LCB.
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