Friction and wear of single-crystal silicon at elevated temperatures

1991 ◽  
Vol 26 (6) ◽  
pp. 1505-1511 ◽  
Author(s):  
D. -S. Park ◽  
S. Danyluk ◽  
M. J. McNallan
Keyword(s):  
Single Crystal ◽  
Friction And Wear ◽  
Elevated Temperatures ◽  
Single Crystal Silicon ◽  
Crystal Silicon

scholarly journals A Constitutive Model for the Mechanical Behavior of Single Crystal Silicon at Elevated Temperature

2001 ◽  
Vol 687 ◽  
Author(s):  
H.-S. Moon ◽  
L. Anand ◽  
S. M. Spearing
Keyword(s):  
High Temperature ◽  
Constitutive Model ◽  
Single Crystal ◽  
Mechanical Behavior ◽  
Elevated Temperatures ◽  
Single Crystal Silicon ◽  
Operational Environment ◽  
Localized Deformation ◽  
Creep Tests ◽  
Crystal Silicon

AbstractSilicon in single crystal form has been the material of choice for the first demonstration of the MIT microengine project. However, because it has a relatively low melting temperature, silicon is not an ideal material for the intended operational environment of high temperature and stress. In addition, preliminary work indicates that single crystal silicon has a tendency to undergo localized deformation by slip band formation. Thus it is critical to obtain a better understanding of the mechanical behavior of this material at elevated temperatures in order to properly exploit its capabilities as a structural material. Creep tests in simple compression with n-type single crystal silicon, with low initial dislocation density, were conducted over a temperature range of 900 K to 1200 K and a stress range of 10 MPa to 120 MPa. The compression specimens were machined such that the multi-slip <100> or <111> orientations were coincident with the compression axis. The creep tests reveal that response can be delineated into two broad regimes: (a) in the first regime rapid dislocation multiplication is responsible for accelerating creep rates, and (b) in the second regime an increasing resistance to dislocation motion is responsible for the decelerating creep rates, as is typically observed for creep in metals. An isotropic elasto-viscoplastic constitutive model that accounts for these two mechanisms has been developed in support of the design of the high temperature turbine structure of the MIT microengine.

Friction and wear studies of silicon in sliding contact with thin-film magnetic rigid disks

1993 ◽  
Vol 8 (7) ◽  
pp. 1611-1628 ◽  
Author(s):  
Bharat Bhushan ◽  
Sreekanth Venkatesan
Keyword(s):  
Thin Film ◽  
Single Crystal ◽  
Coefficient Of Friction ◽  
Amorphous Carbon ◽  
Friction And Wear ◽  
Single Crystal Silicon ◽  
Crystal Silicon ◽  
Carbon Transfer ◽  
Zn Ferrite ◽  
The Coefficient Of Friction

Silicon is an attractive material for the construction of read/write head sliders in magnetic recording applications from the viewpoints of ease of miniaturization and low fabrication cost. In the present investigation we have studied the friction and wear behavior of single-crystal, polycrystalline, ion-implanted, thermally oxidized (wet and dry), and plasma-enhanced chemical vapor deposition (PECVD) oxide-coated silicon pins while sliding against lubricated and unlubricated thin-film disks. For comparison, tests have also been conducted with Al2O3–TiC and Mn–Zn ferrite pins which are currently used as slider materials. With single-crystal silicon the rise in the coefficient of friction with sliding cycles is faster compared to Al2O3–TiC and Mn–Zn ferrite pins. In each case, the rise in friction is associated with the burnishing of the disk surface and transfer of amorphous carbon and lubricant (in the case of lubricated disks) from the disk to the pin. Thermally oxidized (under dry oxygen conditions) single-crystal silicon and PECVD oxide-coated single-crystal silicon exhibit excellent tribological characteristics while sliding against lubricated disks, and we believe this is attributable to the chemical passivity of the oxide coating. In dry nitrogen, the coefficient of friction for single-crystal silicon sliding against lubricated disks behaves differently than in air, decreasing from an initial value of 0.2 to less than 0.05 within 5000 cycles of sliding. We believe that silicon/thin-film disk interface friction and wear is governed by the uniformity and tenacity of the amorphous carbon transfer film and oxygen-enhanced fracture of silicon.

scholarly journals Effect of interlayer design on friction and wear behaviors of CrAlSiN coating under high load in seawater

RSC Advances ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 5596-5607 ◽  
Author(s):  
Yuwei Ye ◽  
Zhiyong Liu ◽  
Wei Liu ◽  
Dawei Zhang ◽  
Yongxin Wang ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Single Crystal ◽  
Friction And Wear ◽  
316L Stainless Steel ◽  
Single Crystal Silicon ◽  
High Load ◽  
Crystal Silicon ◽  
Arc Ion Plating ◽  
Ion Plating ◽  
Plating Technique

In this paper, CrAlSiN coatings with different interlayers (without interlayer, Cr interlayer, CrN interlayer and Cr/CrN interlayer) were successfully obtained on 316L stainless steel and single crystal silicon by multi-arc ion plating technique.

Numerical investigation on subsurface damage in nanometric cutting of single-crystal silicon at elevated temperatures

2021 ◽  
Vol 68 ◽  
pp. 1060-1071
Author(s):  
Changlin Liu ◽  
Xiao Chen ◽  
Jinyang Ke ◽  
Zhongdi She ◽  
Jianguo Zhang ◽  
...  
Keyword(s):  
Single Crystal ◽  
Numerical Investigation ◽  
Elevated Temperatures ◽  
Single Crystal Silicon ◽  
Subsurface Damage ◽  
Crystal Silicon ◽  
Nanometric Cutting

scholarly journals The Adhesion, Friction, and Wear of Binary Alloys in Contact With Single-Crystal Silicon Carbide

1981 ◽  
Vol 103 (2) ◽  
pp. 180-187 ◽  
Author(s):  
Kazuhisa Miyoshi ◽  
D. H. Buckley
Keyword(s):  
Silicon Carbide ◽  
Single Crystal ◽  
Coefficient Of Friction ◽  
Friction And Wear ◽  
Single Crystal Silicon ◽  
Solute Concentration ◽  
Crystal Silicon ◽  
Iron Base ◽  
The Coefficient Of Friction ◽  
Adhesion Friction

Sliding friction experiments were conducted with various iron-base alloys (alloying elements were Ti, Cr, Mn, Ni, Rh, and W) in contact with a single-crystal silicon carbide (0001) surface in vacuum. Results indicate atomic size misfit and concentration of alloying elements play a dominant role in controlling adhesion, friction, and wear properties of iron-base binary alloys. The controlling mechanism of the alloy properties is as an intrinsic effect involving the resistance to shear fracture of cohesive bonding in the alloy. The coefficient of friction generally increases with an increase in solute concentration. The coefficient of friction increases as the solute-to-iron atomic radius ratio increases or decreases from unity. Alloys having higher solute concentration produce more transfer to silicon carbide than do alloys having low solute concentrations. The chemical activity of the alloying element is also an important parameter in controlling adhesion and friction of alloys.

Sign in / Sign up

Export Citation Format

Share Document