Scientific publications of I.Beverte Institute of Polymer Mechanics, University of Latvia

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Scientific

publications of I.Beverte

Institute of Polymer Mechanics, University of Latvia

April 225, 2013



1
Беверте И.В.

Теоретическое исследование деформационных свойств легких пенопластов.

Тез. докл.
XII
конф. молод. уч. и спец. Прибалт. и Белорус. по
пробл. строй. матер. и констр. 31 янв.
-

2
февр. 1984 г.
-

Рига, с. 178.


2
Беверте И.В.

Структурный подход в определении деформативных свойств легких открытопористых
пенопластов.

Тез. докл.
XIII

обл. научн.
-
техн. конф. молод. уч. и спец. 27
-
28 марта 1984 г.



Гомель, с. 73.


3
Крегерс А.Ф., Беверте И.В.

Деформативность открытопористых пенопластов. Тез. докл.
XV

обл. научн.
-
техн. конф.
молод. уч. и спец. 08
-
09 апреля 1986 г.


Гомель, с. 64.


4
Крегерс А.Ф., Беверте И.В.

Оценка деформативности легких открытоп
ористых пенопластов. Тез. докл.
VI

всесоюзн.
конф. по мех. пол. и комп. мат. 18
-
20 ноября 1986 г.


Рига с. 191.


5 Beverte I., Kregers

A.
Stiffness of Light Open
-
Cell Plastic Foams.

Mechanics of Composite Materials.

1987, N
o
1, pp.30
-
37.


6 Beverte I.

Poi
sson's Ratio of Light Transversally
-
Isotropic Plastic Foams.

Mechanics of

Composite Materials.
1989, N
o
6, pp..980
-
986.


7 Beverte I.

Poissons Ratios of Light Transversally Isotropic

Plastic Foams Under

Deformation
Perpendicullar to Rise Direction.

Mechan
ics of Composite Materials. 1991, N
o
4, pp.703
-
711.


8 Beverte I.V. and Kregers A.F.

Young's Modulus of Monotropic Foam Plastics Subjected to Deformation Parallel to Rise Direction.
Mechanics of Composite Materials. 1993, V.29, N
o
1, p.19
-
26.


9 Beverte I
.V.

Deformative Properties of Monotropic Plastic Foams with a Pronounced Strut
-
Like Structure.

A
report on the 9
-
th
Intern.Conf. on Mech. of Comp.Mat. Oct. 17
-
20, 1995, Riga, Latvia.


10 Beverte I.

Deformative Properties of Monotropic Plastic Foams with
a Pronounced Strut
-
Like Structure.

Doctoral Thesis in Mechanics of Solids. Inst. of Poly. Mech., Latvian Acad. of Sc., Riga,
1996, 136p.


11 Beverte I.

ELASTIC CONSTANTS OF MONOTROPIC PLASTIC FOAMS Part I Deformation
Parallel to Rise Direction (Semiaxes
Hypothesis). A Mathematical Model.
Mechanics of
Composite Materials. 1997, V.33, N
o
6, p.719
-
733.


2


12 Beverte I.

ELASTIC CONSTANTS OF MONOTROPIC PLASTIC FOAMS Part II Deformation
Parallel to Rise Direction (Semiaxes Hypothesis). Numerical Calculations
.

Mech
anics of
Composite Materials. 1998, V.34, N
o
2, p.163
-
172.


13 I.Beverte

Experimental determination of mechanical properties of polypropylen foams Neopolen P.
Experimental Techniques and Design in Composite Materials 4. Editor Michael S.Found.
A.A.Balkema

Publishers. (Proceedings of the 4
-
th seminar on experimental techniques and
design in composite materials), Sheffield, U.K., 1998, p.39
-
48.


14 Beverte I.

ELASTIC CONSTANTS OF MONOTROPIC PLASTIC FOAMS Part II Deformation
Parallel to Rise Direction (Semiax
es Hypothesis). Analysis of Results.

Mechanics of Composite
Materials. 1998, V.34, N
o
6, p.823
-
838.


15 Beverte I.V. Shear of Monotropic Plastic Foams in the Plane of Foam Rise Direction.

A report on the 10
-
th
Intern.Conf. on Mech. of Comp.Mat. April 20
-
2
3, 1998, Riga, Latvia.


16 Beverte I.V. Determination of Elastic Moduli in the Plane of Isotropy of the Monotropic Plastic
Foams. A report on the 11
-
th
Intern.Conf. on Mech. of Comp.Mat. June 11
-
15, 2000, Riga, Latvia.


17 Beverte I.

Model of Deformation
of Monotropic Plastic Foams Parallel to the Foam Rise direction Based
on the Volume
-
Deformation Hypothesis.
Mechanics of Composite Materials. 2001, V.37,
N
o
1, p.39
-
50.


18 I.Beverte

A Deformation Model for Monotropic Plastic Foams Under Compression/Tensio
n
Perpendicularly to the Foam Rise Direction.

Mechanics of Composite Materials. 2002, V.38,
N
o
3, p.403
-
416.


19 I.Beverte

A Deformation Model of Monotropic Plastic Foams In Shear Perpendiculaly to the
Isotropy Plane.
Mech. Comp. Mat. 2003, V.3
9, N5, p.603
-
614.


20 I.Beverte

Experimental Determination of Physical Properties of Rigid Polyurethane Foams. Proc. of Baltic Pol.
Symp. September 17
-
19, 2003, Jurmala, p.79
-
83.


21 I.Beverte

Calculation of Dependent Elastic Constants of Plastic foams Wit
h a Pronounced Strut
-
Like
Structure.
Mech. Comp. Mat. 2003, V.39, N6, p.759
-
766.


22 Beverte I.

Deformation of Polypropylene Foam Neopolen P in Compression.
Journal of Cellular Plastics, Sage
Publications, May 2004, vol. 40, iss. 3, pp. 191
-
204(14).

23
I.B
everte, A.Lagzdins

Experimental Determination of Several Sets of Independent Constants for Rigid Polyurethane Foams.
A

3

report at the 13
-
th
Intern.Conf. on Mech. of Comp.Mat. May 16
-
20, 2004, Riga, Latvia.


24 I.Beverte, U.Stirna, U.Cabulis

The Structure a
nd Properties of the Rigid Polyurethane Foams Obtained from Vegetable Oils.
A report
at the 13
-
th
Intern.Conf. on Mech. of Comp.Mat. May 16
-
20, 2004, Riga, Latvia.


25 U.Stirna, M.Misane, I.Sevastajanova, I.Beverte, U.Cabulis, V.Zeltins

Polyurethanes Obta
ined from Vegetable Origin Oils’ Polyols. A report at the “Baltic Polymer
Symposium 2004”, Kaunas, Lithuania, November 24
-
26, 2004.


26 U.Stirna, I.Sevastajanova, M.Misane, U.Cabulis, I.Beverte

Structure and Properties of the Polyurethane Foams Obtained fr
om Rape Oil Polyols.

“Baltic
Polymer Symposium 2005”, Tallinn, Estonia, October 19
-
21, 2005.



27. U.Stirna, I.Sevastajanova, M.Misane, U.Cabulis, I.Beverte

Structure and Properties of the Polyurethane Foams Obtained from Rape Oil Polyols.
Proceedings of t
he Estonian Academy of Sciences, 55/2, 2006, p.101
-
110.


2
8

U.Stirna. U.Cabulis, I.Beverte.

Water
-
Blown Polyisocyanurate Foams from Vegetable Oil Polyols. UTECH Conference,
Maastricht, the Netherlands; 28
-
30 March 2006.


2
9

I.Beverte, V.Zeltins, U.Stirna,
U.Cabulis, V.Yakushin.

Physical and Mechanical Properties of Water
-
Blown Polyurethane Foams Obtained from Renewable
Vegetable Oils.
A report at the 14
-
th
Intern.Conf. on Mech. of Comp.Mat. May 29
-

June 02, 2006,
Riga, Latvia.


30

I.Beverte, V.Zeltins, U.S
tirna, U.Cabulis, V.Yakushin.

Development and Testing Methods of Environment Friendly Polyisocyanurate Foams. Report at
Workshop “Polyurethanes from Renewable Raw Materials”; Riga; Latvia; June 15
, 2006.


3
1

U.Stirna, U
.Cabulis, I.Beverte.

Water
-
Blown Poly
isocyanurate Foams From Vegetable Oil Polyols.

Journal of Cellular Plastics, Sage Publications,
2
00
8
, vol.
44
, iss.
2
, pp.
139
-
160
.


32 I.Beverte, A.Lagzdiņš.

Experimental Investigation of Mechanical Properties of Plastic Polyurethane Foams in Pure Shear
.
A
report at the 15
-
th
Intern.Conf. on Mech. of Comp.Mat. May 26
-

30, 2008, Riga, Latvia.


33 I.Beverte, V.Skruls.
Latvijas
Republikas
patents LV 13743.
Cietu putuplastu bīdes deformēšanas
paņēmiens un iekārta, bīdes pārvietojuma noteikšanas paņēmiens un ier
īce un to pielietojums citu
porainu materiālu bīdes īpašību
noteikšanai; 20.07.2008.


I.Beverte, V.Skruls. A patent of the Republic of Latvia
LV 13743.
A Method and Equipment for Shear
Deformation of Rigid Plastic Foams, a Method and a Device for Determina
tion of Shear Displacement
and Their Application for Determination of Shear Properties of Other Porous Materials;
20.07.2008.


34 I.Beverte, A.Lagzdiņš, A.Zilaucs. Strength of Light
-
weight Rigid Polyurethane Foams. A
report at the Baltic Polymer Symposium,

Ventspils, Latvia, 22
-
25 September, 2009.



4

35
U.

S
tirna
,

I.

B
everte
,

V.

Y
akushin
,

U.

C
abulis.
Mechanical Properties of Rigid Polyurethane Foams
at Cryogenic Temperature
.

A report at the 16
-
th
Intern.Conf. on Mech. of Comp.Mat. May 24
-

28,
2010, Riga, Lat
via.

(faktiski tikai nolasīju referārtu.


36
U.

S
tirna
,

I.

B
everte
,

V.

Y
akushin
,

U.

C
abulis.
Mechanical Properties of Rigid Polyurethane Foams
at Room and Cryogenic Temperatures
. J.
C
ell. Plast., v.47, N4, 2011, p.337


353
;


37 I.Beverte, A. Lagzdins and V. S
kruls „Mechanical Properties of Rigid Bio
-
Based Polyisocianurate
Foams in Shear”. Proc. of the 3
-
rd International Conference BIOFOAMS, September 20
-
24, 2011,
Capri, Italy, pp. 117
-
123.


38 Lagzdins

A., Zilaucs A., Beverte I., and Andersons J.


A Refined St
rut Model for Calculating the
Elastic Constants of Highly Porous Celluar Plastics by the Method of Orietational Averaging, Mech.
Compos. Mater.,

47,

No.6 (2011).


3
9

I.Beverte, V.Skruls.
Latvijas
Republikas
patents LV
-
1
4436
. „
Cietu, augsti porainu putuplas
tu un
citu cietu materiālu bīdes deformēšanas paņēmiens un iekārta, bīdes pārvietojuma noteikšanas
paņēmiens un ierīce un to pielietojums

,
public. 2011. gada novembrī
.



40
I.Beverte, V.Skruls.
A patent of the Republic of Latvia
LV
-
1
4436
.
A Method and Equ
ipment for
Shear Deformation of Rigid, Highly Porous Plastic Foams and of Other Rigid Materials, a Method and
a Device for Determination of Shear Displacement and Their Application, November 2011.


4
1
I.Beverte, A.Zilaucs, Restoration of the Spatial Struc
ture of Highly
-
Porous Polyurethane Foams
,
CD,
a

report at the 17
-
th
Intern.Conf. on Mech. of Comp.

Mat.
,

May 28
-

June 01, 2012, Riga, Latvia.


4
2
I.Beverte and V. Skruls;
The effect of nano
-

and micro
-
scale fillers on
the physical and mechanical
properties of PIR foams
,
CD, a

report at the 17
-
th
Intern.Conf. on Mech. of Comp.

Mat. May 28
-

June 01, 2012, Riga, Latvia.


4
3 A.Lagzdins, A.Zilaucs, I.Beverte and J.
Andersons
,
Orientational Averaging in Modeling the Elastic
P
roperties of Highly

Porous Plastic Foams
.

In Book of Abstracts
,
ed. Gerhard A. Holzapfel and Ray
W. Ogden,
ISBN 978
-
3
-
85125
-
223
-
1, CD of t
he 8
-
th European

Solid Mechanics Conference
ESMC
-
2012,

Graz, Austria, July, 09


12, 2012.


4
4 I.Beverte,
A.Lagzdiņš
.
Computational
m
odeling and 3D reconstruction of highly porous plastic foams’
spatial structure
.

Proceedings of the international symposium CompIMAGE
September 05


07, 2012,
Rome, Italy


2012, ISBN: 978
-
0
-
415
-
6234
-
1 (Hbk), ISBN: 978
-
0
-
203
-
0753
7
-
1 (eBook),
Computational Modelling of Objects Presented in Images:

Fundamentals, Methods

and Applications”
,
ed.
P. di Giamberardino & D.Iacoviello.


[S.1]: CRS Press/balkema, 2012.


P. 397
-
401.


45 A.
Lazdins, A.Zilaucs, I.Beverte and J.Andersons
.
D
et
ermination of Elasticity Constants of Highly
-
Porous Plastic Having an Oriented Structure, Abstract in Proceedings of Baltic Polymer Symposium,
CD, September 19


22, 2012, 155p.


4
6 Cabulis U., Stirna U., Beverte I. and Andersons J. Production Technology,
Structure and Properties
of Polyisocyanurate Foams Produced Using Rapeseed Oil and Filled with Chopped Flax or Carbon
Fibers, CD,
ISBN 978
-
3
-
00
-
039965
-
7
: Proc. of Cell. Mat. 2012, Cellular Materials, Dresden,
Germany, 7
-
9 November 2012, 4 p.




5

47
A.
Lagzdin
s, A
.
Zilaucs,
I.
Beverte

and
J.
Andersons

“Calculating the Elastic Constants of a Highly
Porous Cellular Plastics With an
Oriented Struct
ure”
,

M
ech. Compos. Mater., 2013, 49,
N2, p.


48
Chapter in the book
Polymers at Cryogenic Temperatures, Kalia, Susheel;

Fu, Shao
-
Yun
(Eds.), ISBN 978
-
3
-
642
-
35334
-
5

SPRINGER,
2013, VIII, 292 p.

U. Stirna
1
, I. Beverte
2
, V. Yakushin
1
, U. Cabulis
Chapter „
Mechanical Properties of Rigid Polyurethane
Foams at Room and Cryogenic Temperatures”

book
"Polymers at Cryogenic
Temperatu
re".

http://www.springer.com/chemistry/polymer+science/book/978
-
3
-
642
-
35334
-
5

Accessed 05.04.2013.

DOI 10.1007/978
-
3
-
642
-
35335
-
2_10,


Springer
-
Verlag Berlin Heidelberg 2013


49

Ilze Beverte

Determination of Highly Porous Plastic Foams’ Structural Characteristics by Processing
LM Images Data, J.Appl.Poly.Sc., 2013, accepted for publishing