The Impact of Mechanical Vibration on the Hardening of Metallic Surface

Abstract

One of functional parameters which have a big influence on the reliability of machine is the surface quality of mobile and immobile parts. The quality working ability of the surface in contact is depending of their surfaces strength. In this regard, we used vibro-mechanical treatment to increase the hardness of the contact surfaces which is considered as formed surface of plastic deformation. The formed plastic deformation surface is also a kind of micro relief surface, characterized by multitude closed and superimposed on each other traces of contact with the particles working environment cultivated surface. The quality of the surface resulting from the vibro-impact treatment, provide a sufficiently high wear parts. This paper presents experimental results of using the vibro-impact treatment on surface fatigue strength using samples of steels, aluminums and titans alloys. The objective of this study is to improve performance functional surfaces in contact by choosing optimal hardening parameters.

Substantiation of parameters for the technological process of restoring machine parts by the method of plastic deformation

“…The wear resistance of parts in tillage machines that are exposed to vibration treatment is largely determined by the hardened layer depth. However, paper [15] emphasized a lack of specific recommendations for determining its values in the literature.…”

Research of wear resistance of bronze bushings during plastic vibration deformation

“…However, the authors [11] indicate the lack of specific recommendations for determining its values in the literature.…”

“…The damping capacity of structural materials can be increased by applying an appropriate functional metal coating [3,4], in particular, by plasma sputtering [5,6]. Coating materials include powders of different compositions -metallic [4,7], ceramic [8], nanostructured [9,10], and plated [11]. The damping capacity of materials can be characterized by means of the parameters of their internal friction (IF) [2,7,12].…”

Способи Відновлення Деталей Сільськогосподарських Машин

“…Одним зі способів підвищення довговічності деталей є зміцнення поверхневого шару пластичним деформуванням [12][13][14][15].…”