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Materials and MatWeb

10 REPLIES 10
Reply
Message 1 of 11
Anonymous
796 Views, 10 Replies

Materials and MatWeb

I have been trying to build a new material into the materials library, and
have run into some stumbling blocks. I have been trying to get the required
information to build the material from matweb data base and all but 3
properties to complete the new material have been found there. The material
I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find at
matweb are Poisson's Ratio and the correct units for Specific Heat
(J/(kg*K)). Inventor shows the units as (J/kg*K), where K is the main
difference. Does anyone know what the difference is between C and K? How do
I find information on poisson's ration for the new material? For the Linear
Expansion, matweb has listed 3 different temp ranges, 20, 250 and 500
degrees. Anyone have any idea which range should be used? Does the range
depend of the application?

TIAFAH
John
--
John Gaubatz
Raven Industries, Inc.
10 REPLIES 10
Message 2 of 11
Anonymous
in reply to: Anonymous

Both are temperature units. K are Kelvins and C are degrees Celcius.
Kelvins are in absolute values, 0K = absolute 0, about -273 degrees C.
Since the magnitude of a Kelvin and a degree C are the same, it will make no
difference for Specific Heat values.

-Russ

"John Gaubatz" wrote in message
news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> I have been trying to build a new material into the materials library, and
> have run into some stumbling blocks. I have been trying to get the
required
> information to build the material from matweb data base and all but 3
> properties to complete the new material have been found there. The
material
> I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
at
> matweb are Poisson's Ratio and the correct units for Specific Heat
> (J/(kg*K)). Inventor shows the units as (J/kg*K), where K is the main
> difference. Does anyone know what the difference is between C and K? How
do
> I find information on poisson's ration for the new material? For the
Linear
> Expansion, matweb has listed 3 different temp ranges, 20, 250 and 500
> degrees. Anyone have any idea which range should be used? Does the range
> depend of the application?
>
> TIAFAH
> John
> --
> John Gaubatz
> Raven Industries, Inc.
>
>
Message 3 of 11
Anonymous
in reply to: Anonymous

John,

I haven't had enough coffee yet to think about digging up the formulas, but
why do you want to add "everything". IV only uses the density... all the
rest exist to link with an FEA app upon model export to that package.

QBZ
applied within itself -I would imagine similiar products do the same??>

"John Gaubatz" wrote in message
news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> I have been trying to build a new material into the materials library, and
> have run into some stumbling blocks. I have been trying to get the
required
> information to build the material from matweb data base and all but 3
> properties to complete the new material have been found there. The
material
> I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
at
> matweb are Poisson's Ratio and the correct units for Specific Heat
> (J/(kg*K)).
Message 4 of 11
Anonymous
in reply to: Anonymous

DesignSpace and Algor both use their own internal material properties.

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
-----------------------------------------------------------------------
"Quinn Zander" wrote in message
news:CD3834A483A7BE1B46423DD48FF16157@in.WebX.maYIadrTaRb...
> John,
>
> I haven't had enough coffee yet to think about digging up the formulas,
but
> why do you want to add "everything". IV only uses the density... all the
> rest exist to link with an FEA app upon model export to that package.
>
> QBZ
> > applied within itself -I would imagine similiar products do the same??>
>
> "John Gaubatz" wrote in message
> news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> > I have been trying to build a new material into the materials library,
and
> > have run into some stumbling blocks. I have been trying to get the
> required
> > information to build the material from matweb data base and all but 3
> > properties to complete the new material have been found there. The
> material
> > I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
> at
> > matweb are Poisson's Ratio and the correct units for Specific Heat
> > (J/(kg*K)).
>
>
Message 5 of 11
Anonymous
in reply to: Anonymous

Hi Russ,
Thanks for the explaination. Makes sense to me. Its been a long time since
Chemistry 101. One down, two to go.
John

"Russ Walker" wrote in message
news:18C0F9D7C54066AB642DDA8DBC7BDFF8@in.WebX.maYIadrTaRb...
> Both are temperature units. K are Kelvins and C are degrees Celcius.
> Kelvins are in absolute values, 0K = absolute 0, about -273 degrees C.
> Since the magnitude of a Kelvin and a degree C are the same, it will make
no
> difference for Specific Heat values.
>
> -Russ
>
> "John Gaubatz" wrote in message
> news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> > I have been trying to build a new material into the materials library,
and
> > have run into some stumbling blocks. I have been trying to get the
> required
> > information to build the material from matweb data base and all but 3
> > properties to complete the new material have been found there. The
> material
> > I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
> at
> > matweb are Poisson's Ratio and the correct units for Specific Heat
> > (J/(kg*K)). Inventor shows the units as (J/kg*K), where K is the main
> > difference. Does anyone know what the difference is between C and K? How
> do
> > I find information on poisson's ration for the new material? For the
> Linear
> > Expansion, matweb has listed 3 different temp ranges, 20, 250 and 500
> > degrees. Anyone have any idea which range should be used? Does the range
> > depend of the application?
> >
> > TIAFAH
> > John
> > --
> > John Gaubatz
> > Raven Industries, Inc.
> >
> >
>
>
Message 6 of 11
Anonymous
in reply to: Anonymous

Hi Quinn,
This being the first time I have tried to build a material, I just assumed
that all fields were required. And if I could get all the information, might
as well enter it in. By the way, what is FEA app?
John

"Quinn Zander" wrote in message
news:CD3834A483A7BE1B46423DD48FF16157@in.WebX.maYIadrTaRb...
> John,
>
> I haven't had enough coffee yet to think about digging up the formulas,
but
> why do you want to add "everything". IV only uses the density... all the
> rest exist to link with an FEA app upon model export to that package.
>
> QBZ
> > applied within itself -I would imagine similiar products do the same??>
>
> "John Gaubatz" wrote in message
> news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> > I have been trying to build a new material into the materials library,
and
> > have run into some stumbling blocks. I have been trying to get the
> required
> > information to build the material from matweb data base and all but 3
> > properties to complete the new material have been found there. The
> material
> > I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
> at
> > matweb are Poisson's Ratio and the correct units for Specific Heat
> > (J/(kg*K)).
>
>
Message 7 of 11
Anonymous
in reply to: Anonymous

FEA=Finite Elemental Analysis. Used for engineering. Will show all about an
assembly or part application. Stress, strain, deflection, yield point, thermo's
etc.

--
Dave Jacquemotte
Automation Designer
Message 8 of 11
Anonymous
in reply to: Anonymous

Is that a plug in? Where can it be found?

"Dave J" wrote in message
news:8BBDFB6FB807A3C6D5F987D2545356FF@in.WebX.maYIadrTaRb...
> FEA=Finite Elemental Analysis. Used for engineering. Will show all about
an
> assembly or part application. Stress, strain, deflection, yield point,
thermo's
> etc.
>
> --
> Dave Jacquemotte
> Automation Designer
>
>
>
>
Message 9 of 11
Anonymous
in reply to: Anonymous

www.ansys.com
www.algor.com
www.cosmos.com

http://partnerproducts.autodesk.com/compatiblewith/inventor.asp and filter
by Engineering Analysis

--
Sean Dotson, PE
http://www.sdotson.com
Check the Inventor FAQ for most common questions
www.sdotson.com/faq.html
-----------------------------------------------------------------------
"John Gaubatz" wrote in message
news:67D9D09A20807E2E8B1D768C5B3878A1@in.WebX.maYIadrTaRb...
> Is that a plug in? Where can it be found?
>
> "Dave J" wrote in message
> news:8BBDFB6FB807A3C6D5F987D2545356FF@in.WebX.maYIadrTaRb...
> > FEA=Finite Elemental Analysis. Used for engineering. Will show all about
> an
> > assembly or part application. Stress, strain, deflection, yield point,
> thermo's
> > etc.
> >
> > --
> > Dave Jacquemotte
> > Automation Designer
> >
> >
> >
> >
>
>
Message 10 of 11
Anonymous
in reply to: Anonymous

Thanks Sean,
John
Message 11 of 11
Anonymous
in reply to: Anonymous

Poisson's ratio for all carbon and alloy steels is 0.27

-Steve

"John Gaubatz" wrote in message
news:894FDCA471EB35C2BC46B8AE3FB83427@in.WebX.maYIadrTaRb...
> I have been trying to build a new material into the materials library, and
> have run into some stumbling blocks. I have been trying to get the
required
> information to build the material from matweb data base and all but 3
> properties to complete the new material have been found there. The
material
> I am building is ASTM-682 ASS 1050 Steel. Two of the areas I cannot find
at
> matweb are Poisson's Ratio and the correct units for Specific Heat
> (J/(kg*K)). Inventor shows the units as (J/kg*K), where K is the main
> difference. Does anyone know what the difference is between C and K? How
do
> I find information on poisson's ration for the new material? For the
Linear
> Expansion, matweb has listed 3 different temp ranges, 20, 250 and 500
> degrees. Anyone have any idea which range should be used? Does the range
> depend of the application?
>
> TIAFAH
> John
> --
> John Gaubatz
> Raven Industries, Inc.
>
>

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