Radiation-induced polymerization of ethylene in a pilot plant. II. Development of wet-wall process

1979 ◽  
Vol 24 (3) ◽  
pp. 865-882 ◽  
Author(s):  
Masaaki Takehisa ◽  
Hiromasa Watanabe ◽  
Hirondo Kurihara ◽  
Yoshio Takasaka ◽  
Yoshio Maruyama ◽  
...  
Keyword(s):  
Pilot Plant ◽  
Radiation Induced

Radiation-induced polymerization of ethylene in pilot plant. V. Molecular weight distribution of polyethylene

1980 ◽  
Vol 25 (8) ◽  
pp. 1633-1638 ◽  
Author(s):  
Kouichi Yamaguchi ◽  
Hiromasa Watanabe ◽  
Takanobu Sugo ◽  
Terutaka Watanabe ◽  
Masaaki Takehisa ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Molecular Weight Distribution ◽  
Weight Distribution ◽  
Pilot Plant ◽  
Radiation Induced

Radiation-induced polymerization of ethylene in pilot plant. IV. Kinetic analysis

1980 ◽  
Vol 25 (2) ◽  
pp. 277-285 ◽  
Author(s):  
Hiromasa Watanabe ◽  
Sueo Machi ◽  
Hirondo Kurihara ◽  
Takeshi Wada ◽  
Kouichi Yamaguchi ◽  
...  
Keyword(s):  
Kinetic Analysis ◽  
Pilot Plant ◽  
Radiation Induced

Engineering Design of an Instrumented Pilot Plant for Remote Reactions-Radiation-Induced Polymerization

1970 ◽  
Vol 8 (5) ◽  
pp. 445-449 ◽  
Author(s):  
F. T. Osborne ◽  
S. Omi ◽  
V. T. Stannett ◽  
E. P. Stahel
Keyword(s):  
Engineering Design ◽  
Pilot Plant ◽  
Radiation Induced

Radiation-induced polymerization of ethylene in pilot plant. III. Heavy-phase recycling process

1979 ◽  
Vol 24 (8) ◽  
pp. 1831-1844 ◽  
Author(s):  
Masaaki Takehisa ◽  
Hiromasa Watanabe ◽  
Hirondo Kurihara ◽  
Kouichi Yamaguchi ◽  
Hayato Nakajima ◽  
...  
Keyword(s):  
Pilot Plant ◽  
Recycling Process ◽  
Heavy Phase ◽  
Radiation Induced

Radiation-induced polymerization of ethylene in a pilot plant. I. Bulk process

1979 ◽  
Vol 24 (3) ◽  
pp. 853-864 ◽  
Author(s):  
Masaaki Takehisa ◽  
Sueo Machi ◽  
Hiromasa Watanabe ◽  
Takashi Ueno ◽  
Seiichi Takahashi ◽  
...  
Keyword(s):  
Pilot Plant ◽  
Radiation Induced

Radiation-Induced Precipitation at Thin Foil Surfaces in Ni-Be Alloys

1982 ◽  
Vol 40 ◽  
pp. 598-599
Author(s):  
T. Mukai ◽  
T. E. Mitchell
Keyword(s):  
Electron Microscopy ◽  
High Voltage ◽  
Electron Irradiation ◽  
High Vacuum ◽  
Thin Foil ◽  
Homogeneous Precipitation ◽  
High Voltage Electron Microscopy ◽  
Voltage Electron ◽  
High Voltage Electron ◽  
Radiation Induced

Radiation-induced homogeneous precipitation in Ni-Be alloys was recently observed by high voltage electron microscopy. A coupling of interstitial flux with solute Be atoms is responsible for the precipitation. The present investigation further shows that precipitation is also induced at thin foil surfaces by electron irradiation under a high vacuum.

Annealing Of Radiation Damage in Tungsten

1970 ◽  
Vol 28 ◽  
pp. 412-413
Author(s):  
Robert C. Rau ◽  
John Moteff
Keyword(s):  
Electron Microscopy ◽  
Transmission Electron Microscopy ◽  
Radiation Damage ◽  
Thermal Annealing ◽  
Neutron Fluence ◽  
Dislocation Loops ◽  
Defect Clusters ◽  
Polycrystalline Tungsten ◽  
Transmission Electron ◽  
Radiation Induced

Transmission electron microscopy has been used to study the thermal annealing of radiation induced defect clusters in polycrystalline tungsten. Specimens were taken from cylindrical tensile bars which had been irradiated to a fast (E > 1 MeV) neutron fluence of 4.2 × 1019 n/cm2 at 70°C, annealed for one hour at various temperatures in argon, and tensile tested at 240°C in helium. Foils from both the unstressed button heads and the reduced areas near the fracture were examined.Figure 1 shows typical microstructures in button head foils. In the unannealed condition, Fig. 1(a), a dispersion of fine dot clusters was present. Annealing at 435°C, Fig. 1(b), produced an apparent slight decrease in cluster concentration, but annealing at 740°C, Fig. 1(C), resulted in a noticeable densification of the clusters. Finally, annealing at 900°C and 1040°C, Figs. 1(d) and (e), caused a definite decrease in cluster concentration and led to the formation of resolvable dislocation loops.

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