Radiation-Initiated polymerization and graft polymerization

Radiation-Initiated polymerization and graft polymerization

Except for the last two categolies, melting poiJJts over 1000” F The series was proposed Air Development the years apart fJ,om includes contai...

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Except

for the last two categolies,

melting

poiJJts over

1000” F

The series was proposed Air Development the years apart

fJ,om

includes

containing

data

for

c>lemeJJts,

in the entire

series.

in graphical

Technological

form

: density, melting point, latent heats of fusion, and

pressure,

emissivity, pressure

sublimation,

specific

theJ,mal conductivity

reflectivity,

thermal

and electrical

resistivity.

full references

is included;

the last volume “R and ‘K; Fahrenheit The

appears.

the former

informat’ion

is

York,

point

Names

in a normal

ever,

has the advantage

(so that

apparently

refers

that, the

than the Pergamon

revised

uJJti1

both

in

t.o degrees

same

by

body

the

polymrrization

reference

(e.g.

at a somewhat which,

how-

in loose-leaf

can later

of nylon this

fibres).

kind

of

industrial

Since only

form

be substituted

or

Properties (Phase l),

Editor),

of Materials at Low Temperatures A Compendium (Pergamon Press.

Loose-leaf.

(unnumerated)

compendium,

estimated

at

800-1000

pages, is the first stage of a compendium

solids, at temperatures

concerning

both liquids

expansion,

liquids ature.

are listed volume

conductivity, ences

thermal

or plotted

For solids (several

present

are

magnetic

lists

specific listed.

propert,&

and

in the range O-110” K (and in

many cases, O-300” K). In the present volume, thermal

as a function

thermal

graphite, expansion,

and enthalpy.

Elect,rical

densit,y,

and discussion element

resistivity

are to be included

fabrication

the

provides

a concise,

to Zircaloy-2,

development

Zircaloy-2

of

with

pick-up.

There

Zircaloy-4,

a reduced

are three papers

of low permeability

(Al-AlsOa).

appoJntmg,

graphite,

are

Full

refer-

exotic

materials,

such

and

ferro-

which,

from

nuclear

documented

mechanisms, kinetics and of radiation-induced poly-

the

but

whose

aluminium

of

application

fabrication

on the and

pro-

The

dismore

niobium.

vielv,

are

is being

difficulties. cover

with

and certainly

beryllium point

of technological

T~Jc~

Germany.

with aluminium,

no papers

as

of

to hydrogen

on the development

is surprising,

there

materials

modification

all from

on the sintered

It

that

attractive,

a

susceptibility

emphasis

in t)he next’

and fuel element

one of which describes

duct

thermal

on fuel

on IOth-13th

materials

particular

R. ROBERTS, Radiation-Initiated Polymerization and Graft Polymerization (Review Series, no. 13) (International Atomic Energy Agency, Vienna. 43 pages. 1961. Au&r. Sch. 21, $ 1.OO, 6s., NF 4, DM 3.20). In English essay

cladding

glass),

the

the papers

Out of fifteen papers on cladding

eight are devoted

because

short

to

May, 1960.Volume 1 is concerned entirely with the properties

fuel element

This

held in Vienna

of temper-

of

contain

at the symposium

papers are concerned

etc.

phase.

review of the products, technological applications

under review

presented

remaining

conductivity,

metals,

heat

is iJo obstac
.Fuel Element Fabrication with Special Ew phasis on Cladding Materials (Academic Press, New York, 1961. Two volumes: Vol. 1, 100s.: Vol. 2, 71s.6d.)

fabrication.

information

thcrc

applicatioJJ.

of fuel element

1961. $ 30.00)

of cryogenic

to imlJro\-c tllrl

the tiyr,-a~cf:IJtLtJL(.(:

low tloses art‘ net~tlrtl fol,

application,

The twTo volumes

VICTOR J. JOHNSON (General

large

another

to

surface of the latt’er (e.g. improving

lJJ.op(sJ?ic’s

co-polymeric-

in

added).

This

on

graft

bj,

of surfarc)

of adhesive

and especially

of one material

(illustratrd

t,he modification

improvement

of PTFE-Teflon), ation

procaess it)self

to poly-et)hylene),

t1cJ.e iJJ~luclc~

and simplificatioJJ

of

Macmillan

edition,

of being

sheets

of

discusset

of bulk propert,&

scale.

bound edition

price

list of

delayed

are marked

published

lower

of investig-

applications

the improvement

properties

vapom

master

no

this is being

out

being

at con-

and diffusivity,

Graphs

on the absolute

publishers

heat

expansion,

ators are quot’ed for ail sources, but

New

and corers

lJrC,sent, volume,

sheet’s

listed and/or presented

vaporisation stant

Force,

of the layolJt> and a list of all

to be covered

Properties include

U.S. Air

iJlclusivc>. The

an explanation

the materials

wit11

inolJJtlr,d.

and sponsor~~ti by t)ho Wrigllt

Centre,

1940-1957

only materials

(648” C’) arc

papers

fuel for research

orJ typcl

reactors,

gas-cooled,

reactors. Macherey

Of particular interest is the paper by K. on the development of fuel for EBR-I arJtl

EBR-2.

This paper

is unusual irradiation materials techniques, plate type one with

water-cooled

\‘c~rj-

retarded

in this

deserves group

results made.

to

There

the welding

special

of papers substantiate are

one concerned Zircaloy-clad

and sodium-cooled

four with

mention

siJJ(‘e it’

in that, it, gives the

papers

choice

the manufactlue

UOZ fuel elements of the Mg-0.6

of

on w&ling of

for PWR.

y0 Zr alloy

used