Three‐dimensional analysis of overwritable phase‐change optical disks

1990 ◽  
Vol 67 (6) ◽  
pp. 2731-2735 ◽  
Author(s):  
Hiroyuki Minemura ◽  
Hisashi Andoh ◽  
Nobuyoshi Tsuboi ◽  
Yoshihito Maeda ◽  
Yoshio Sato
Keyword(s):  
Phase Change ◽  
Dimensional Analysis ◽  
Three Dimensional ◽  
Optical Disks

Three-Dimensional Thermal Modelling and Analysis of Near-Field Phase Change Optical Disks

2000 ◽  
Vol 39 (Part 1, No. 2B) ◽  
pp. 952-956 ◽  
Author(s):  
Jia Jun Ho ◽  
Jek Chong Lee ◽  
Tow Chong Chong ◽  
Luping Shi
Keyword(s):  
Phase Change ◽  
Near Field ◽  
Three Dimensional ◽  
Thermal Modelling ◽  
Field Phase ◽  
Optical Disks

In situ investigation of the primary recrystallization of alpha titanium in HVEM

1978 ◽  
Vol 36 (1) ◽  
pp. 634-635
Author(s):  
S. Naka ◽  
R. Penelle ◽  
R. Valle
Keyword(s):  
Dimensional Analysis ◽  
Texture Evolution ◽  
Cold Work ◽  
Three Dimensional ◽  
Primary Recrystallization ◽  
Thin Foils ◽  
In Situ Investigation ◽  
Grain Growth Model ◽  
Alpha Titanium

The in situ experimentation technique in HVEM seems to be particularly suitable to clarify the processes involved in recrystallization. The material under investigation was unidirectionally cold-rolled titanium of commercial purity. The problem was approached in two different ways. The three-dimensional analysis of textures was used to describe the texture evolution during the primary recrystallization. Observations of bulk-annealed specimens or thin foils annealed in the microscope were also made in order to provide information concerning the mechanisms involved in the formation of new grains. In contrast to the already published work on titanium, this investigation takes into consideration different values of the cold-work ratio, the temperature and the annealing time.Two different models are commonly used to explain the recrystallization textures i.e. the selective grain growth model (Beck) or the oriented nucleation model (Burgers). The three-dimensional analysis of both the rolling and recrystallization textures was performed to identify the mechanismsl involved in the recrystallization of titanium.

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