Glass transition Tg, thermal expansion, and quenched-in free volume ΔVf in pyrex glass measured by time-resolved X-ray diffraction

2005 ◽  
Vol 388 (1) ◽  
pp. L1-L3 ◽  
Author(s):  
K. Ota ◽  
W.J. Botta ◽  
G. Vaughan ◽  
A.R. Yavari
Keyword(s):  
Thermal Expansion ◽  
Glass Transition ◽  
Free Volume ◽  
Pyrex Glass ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray

Glass Transition Tg and Thermal Expansion in Glassy Materials Measured by Time-Resolved X-Ray Diffraction

2005 ◽  
Vol 24-25 ◽  
pp. 225-228
Author(s):  
K. Ota ◽  
K. Hajlaoui ◽  
G. Vaughan ◽  
Marco Di Michiel ◽  
Dmitri V. Louzguine-Luzgin ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Glass Transition ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray ◽  
Glassy Materials

Glass transition, thermal expansion and relaxation in B2O3 glass measured by time-resolved X-ray diffraction

2008 ◽  
Vol 354 (2-9) ◽  
pp. 325-327 ◽  
Author(s):  
W.J. Botta ◽  
K. Ota ◽  
K. Hajlaoui ◽  
G. Vaughan ◽  
A.R. Yavari
Keyword(s):  
Thermal Expansion ◽  
Glass Transition ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray ◽  
B2o3 Glass

A time-resolved x-ray diffraction study of Ti5Si3 product formation during combustion synthesis

1997 ◽  
Vol 12 (12) ◽  
pp. 3230-3240 ◽  
Author(s):  
C. R. Kachelmyer ◽  
I. O. Khomenko ◽  
A. S. Rogachev ◽  
A. Varma
Keyword(s):  
Thermal Expansion ◽  
High Temperature ◽  
Product Formation ◽  
X Ray Diffraction ◽  
Temperature Synthesis ◽  
Time Resolved ◽  
X Ray ◽  
Thermal Expansion Coefficients ◽  
High Temperature Synthesis ◽  
Expansion Coefficients

Time-resolved x-ray diffraction (TRXRD) was performed during Ti5Si3 synthesis by the self-propagating high-temperature synthesis mode for different Ti size fractions. It was determined that the time for product formation (ca. 15 s) was independent of Ti particle size. However, the formation of Ti5Si4 phase occurred when relatively large titanium particles were used. A simultaneous measurement of the temperature and TRXRD allowed us to attribute the shifting of XRD peaks at high temperature to thermal expansion of the Ti5Si3 product. The thermal expansion coefficients differ for different crystal planes, and their numerical values compare well with those reported previously in the literature.

scholarly journals Time resolved X-ray diffraction of organic polymers around the glass transition

1993 ◽  
Vol 49 (s1) ◽  
pp. c351-c351
Author(s):  
A. Mahendrasingam ◽  
W. Fuller ◽  
A. Turner ◽  
D. J. Blundell ◽  
D. MacKerron ◽  
...  
Keyword(s):  
Glass Transition ◽  
Organic Polymers ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray

Glass Transition Tg, and Quenched-In Free Volume in Bulk Metallic Glasses Measured by X-Ray Diffraction

2004 ◽  
Vol 20-21 ◽  
pp. 23-28 ◽  
Author(s):  
Alain Reza Yavari ◽  
A. Le Moulec ◽  
N. Nishiyama ◽  
Akihisa Inoue ◽  
G. Vaughan ◽  
...  
Keyword(s):  
Glass Transition ◽  
Free Volume ◽  
Metallic Glasses ◽  
Bulk Metallic Glasses ◽  
X Ray Diffraction ◽  
X Ray

Quenched-in Free Volume Vf, Deformation-induced Free Volume, the Glass Transition Tg and Thermal Expansion in glassy ZrNbCuNiAl measured by Time-resolved Diffraction in Transmission

2003 ◽  
Vol 806 ◽  
Author(s):  
A. R. Yavari ◽  
M. Tonegaru ◽  
N. Lupu ◽  
A Inoue ◽  
E. Matsubara ◽  
...  
Keyword(s):  
Heat Treatment ◽  
Glass Transition ◽  
Free Volume ◽  
Supercooled Liquid ◽  
Supercooled Liquid Region ◽  
Liquid Region ◽  
Time Resolved ◽  
X Ray ◽  
Excess Free Volume ◽  
Rapidly Solidified

ABSTRACTUsing high-precision X-ray dilatometry, we have succeeded in directly measuring excess quenched-in free-volume Vf in metallic glasses. The method was applied to the very easy glass forming Zr57Nb5Cu15.4Ni12.6Al10 (Vit 106). The annealing out of the order of 0.5% free volume was observed during heat treatment of rapidly solidified glassy ribbons. Excess free volume was also generated by heavy deformation and observed to anneal out during heat treatment. Once the excess free volume anneals out, the glass transition Tg appears clearly as a break in the x-ray dilatation curves as the glass goes over to the supercooled liquid region prior to crystallization at Tx.

scholarly journals Direct observations of shock-induced melting in a porous solid using time-resolved x-ray diffraction

2020 ◽  
Vol 4 (6) ◽  
Author(s):  
A. Mandal ◽  
B. J. Jensen ◽  
M. C. Hudspeth ◽  
S. Root ◽  
R. S. Crum ◽  
...  
Keyword(s):  
Porous Solid ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray ◽  
Direct Observations

scholarly journals Bulk modulus of H2O across the ice VII–ice X transition measured by time-resolved x-ray diffraction in dynamic diamond anvil cell experiments

2021 ◽  
Vol 103 (6) ◽  
Author(s):  
A. S. J. Méndez ◽  
F. Trybel ◽  
R. J. Husband ◽  
G. Steinle-Neumann ◽  
H.-P. Liermann ◽  
...  
Keyword(s):  
Bulk Modulus ◽  
Diamond Anvil Cell ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray ◽  
Diamond Anvil
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