$|����pN��!j��an ρ 2>�p�Yӛ2�8�[ܸT����h�C�ou�\Rx�c*�I���IT�(��W+ 8 0 obj <> stream /Length 7 0 R 1 0 obj /Title /Author 226 0 obj <>/Filter/FlateDecode/ID[<2681E13F51D7034A85F6BDDA3E1B1DD7><77155D3904442448A0C790400393E1DA>]/Index[200 60]/Info 199 0 R/Length 121/Prev 294870/Root 201 0 R/Size 260/Type/XRef/W[1 3 1]>>stream Some of these typical properties of a material are listed… To finalize the material for an engineering product or application, we should have the knowledge of physical properties of materials. /CreationDate (D:20080304111350) The co­efficient of linear expansion is the increase in length of a body for a given rise in temperature. 6 0 obj Q�-��A�ƒ}��Ÿ�l�������PƮOmE�\Y��=-�c�Ќ��B�7hcM�$�9s0ǐ�Ł)���[���{�ˑ��2���=�����E%�Ak��-J?�h��+^��kE[�^%�h�|ѧp]��C,+�W&bO�(ݺNITMhCCp�&��_�Ƈe�xƭ�=�������+�5����p��� �'`Y��'��6K��O��F7���Ϙ†�`)r��z���ss�M���&;1�i�#o��3� '�(��"8� << The size and shape of a raw food material can vary widely. /Creator /Type /XObject Bulk density. << 11 0 obj 3 3. The physical properties of a material are those which can be observed without any change of the identity of material. x��T�N�@}��اjW���|��J�@*���J�@C�T$)qҪߙ�5v�T����w.ggΙ��8��Q�da�ɥc�Q,u��Gqt���r������uƆ�8�=�h�?�>��}��b��]�7q���_l�P3������5��Z�K�i,c�$�_L�E�=>�‼�'��2��7B:�#�9��c�8i�����%�6��h��H��w��0�7F(���Sh�9�#�)a�a�yHG�E,C�H��i)3~"��l"τ������R�9�".�sr_�w�q��G�a�Ys�Xe��R��=�Oi�Wz����/[ή���������`X��2Ԟ�"�r��wB��σx�P� %PDF-1.4 Properties of materials We shall concern ourselves with three types of issues: (a) Mechanical properties of materials (strength, toughness, hardness, ductility, elasticity, fatigue and creep). << In the first chap- /Contents 4 0 R 7 0 obj 649 endobj h�ܛY�G��J>v�W��;�@�����գA�$�P�Y=����f�YYER���b@V����v�y���b�0���1m�T��!Q��!��w:�F}֛�����CMM�v�vf�*=��9��*�T�9�#נRRil��!n�\(��RU)T�������Ysn#R�u��4�h���� 4 0 obj MATERIAL PROPERTY CHARTS 5 0 obj 774 endobj endobj /ModDate (D:20080304111350) %PDF-1.5 %���� h�b```�-�\��@��(�������ue�����s`�3s�z��N��rQ�;��}�Ѽ����������bpqz��3022�X����;�߁���)�,�~+�>`a���v��� sª��9�Mᇘ�����H3q+s0�$i0����nKmDc$@� ��1r The Physical Properties of Materials Acoustical properties endobj endobj /Height 256 200 0 obj <> endobj stream Physical Properties Defined Properties that define the behavior of materials in response to physical forces other than mechanical •Components in a product must do more than simply withstand mechanical stresses •They must conduct electricity (or prevent conduction), allow heat to transfer (or allow its escape), transmit c. Physical Properties. >> endstream /BitsPerComponent 8 Physical characteristics of raw, unprocessed, as well as processed food materials include particle size and shape, particle and bulk density, porosity, and surface area. /Length 5 0 R /F1 9 0 R /F2 10 0 R>> ��O�:��c�0k,�Rf��ƭ��T+ѯQ�v+��~|���Wﯟ3�6���_�z����߼{u�����!������˟o�~v{u{}���>�\������w7�_�����׷7������������~�ӣ�o~����ٿ޾}y�J͇�����zy���!��Wo^�~�ś���t�!��d-_ݼ�֞��gX�߯^]����7/����@�rOo�^�������ׇ����� 3��^��w��@�yw���ͻ�L(u&��o�`?����n'�;m&Cֺ��>y��{�����1D:�~���O��z{\�w|�=��=XѰ�1����- i,= .ށx���Z��������v^�E�o���F����Ɯ�G���N]߂��Eg�h3B�X&B�;|���bM�f�M��zu�R˿��z��{X�c�?����G���u��g��o�i¯��#Lᅧ0%����[����q4��M��M�d;Ń��8X�S)�zh�"^���ǡ�'����X. endstream /Font<< >> endobj << /Type /Page 2.3 Physical Characteristics . G H I I J K L M N N O P Q R S T U V W X X Y Z [ \ ] ] ^ _ ` a b c d !e "e "f "g "h #h #i #j #k #l $l $m $n $o %p %q %r &s. h�bbd```b``6�= ���T~�"���`� ,bf?�?�"W�lai������ �;H2�}���m��G��c���F �7�Ѕ�`��C����� � �2� /Name /Im1 >> (b) Physical properties (density, specific heat, melting and boiling point, thermal expansion and conductivity, electrical and magnetic properties) stream /Producer /Filter /FlateDecode 0 The physical properties of food materials are discussed in 6 main categories such as size, shape, volume and related physical attributes, rheological properties, thermal properties, electromagnetic properties, water activity and sorption properties and surface properties in this book. /ColorSpace [/Indexed /DeviceRGB 255 /Parent 3 0 R /Subtype /Image x���nAEQ������9v�����H��Ȓ����zU}��� 4lF�����.��3[ğ�������?�?�-����?�?�����?� �����^z����? >> In order to understand and synthesize the impact the materials discussed in this course have on individuals and society, you will need a basic understanding of how scientists, engineers, and sociologists describe materials. 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Nov 28

8 0 R] endstream endobj startxref II. Chapter 2 Physical Properties of Food Materials 25 . endstream endobj 201 0 obj <>/Metadata 10 0 R/Outlines 14 0 R/Pages 198 0 R/StructTreeRoot 15 0 R/Type/Catalog>> endobj 202 0 obj <>/MediaBox[0 0 612 792]/Parent 198 0 R/Resources<>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 203 0 obj <>stream >> /Resources<< /Im1 6 0 R>> These properties are related to the atomic structure and density of the material, as described in the following paragraphs. %%EOF ?5���/H��a^��w�/J�������Ͽ�I6�{���¿�Y&�����_���+r�?�e����_���������mh����Ɵ����J�7U�1&����"�_�9�E�[��_��5����"�_�=��k�wQ��3�z�]!T���}��������'���6�����7��e�?$��X��M���GY�� �o�?.���������R���O q�����?#������^�s��x�/����莿���3��e_��+�����:���F�݉�����E�7=��߲���m�����1�j���������߷��`�?��C�e������OT�_���2�����k��_����1�O+ �V�Q��+����8���G��,���������?��uq�o����� �������?�����ϟ?�����ϟ?�����������s�?���?���'��?�������:-�����ϟ?���oS�ϟ?�����ϟ?����k�������o��`��S Bulk density is another important properties of building materials.The bulk density is … F������^ /MediaBox[0 0 842 595] /XObject<< �=~[�LV��I��2,]�'���瓠S�l��n��ﵮ��٧�}�>$|����pN��!j��an ρ 2>�p�Yӛ2�8�[ܸT����h�C�ou�\Rx�c*�I���IT�(��W+ 8 0 obj <> stream /Length 7 0 R 1 0 obj /Title /Author 226 0 obj <>/Filter/FlateDecode/ID[<2681E13F51D7034A85F6BDDA3E1B1DD7><77155D3904442448A0C790400393E1DA>]/Index[200 60]/Info 199 0 R/Length 121/Prev 294870/Root 201 0 R/Size 260/Type/XRef/W[1 3 1]>>stream Some of these typical properties of a material are listed… To finalize the material for an engineering product or application, we should have the knowledge of physical properties of materials. /CreationDate (D:20080304111350) The co­efficient of linear expansion is the increase in length of a body for a given rise in temperature. 6 0 obj Q�-��A�ƒ}��Ÿ�l�������PƮOmE�\Y��=-�c�Ќ��B�7hcM�$�9s0ǐ�Ł)���[���{�ˑ��2���=�����E%�Ak��-J?�h��+^��kE[�^%�h�|ѧp]��C,+�W&bO�(ݺNITMhCCp�&��_�Ƈe�xƭ�=�������+�5����p��� �'`Y��'��6K��O��F7���Ϙ†�`)r��z���ss�M���&;1�i�#o��3� '�(��"8� << The size and shape of a raw food material can vary widely. /Creator /Type /XObject Bulk density. << 11 0 obj 3 3. The physical properties of a material are those which can be observed without any change of the identity of material. x��T�N�@}��اjW���|��J�@*���J�@C�T$)qҪߙ�5v�T����w.ggΙ��8��Q�da�ɥc�Q,u��Gqt���r������uƆ�8�=�h�?�>��}��b��]�7q���_l�P3������5��Z�K�i,c�$�_L�E�=>�‼�'��2��7B:�#�9��c�8i�����%�6��h��H��w��0�7F(���Sh�9�#�)a�a�yHG�E,C�H��i)3~"��l"τ������R�9�".�sr_�w�q��G�a�Ys�Xe��R��=�Oi�Wz����/[ή���������`X��2Ԟ�"�r��wB��σx�P� %PDF-1.4 Properties of materials We shall concern ourselves with three types of issues: (a) Mechanical properties of materials (strength, toughness, hardness, ductility, elasticity, fatigue and creep). << In the first chap- /Contents 4 0 R 7 0 obj 649 endobj h�ܛY�G��J>v�W��;�@�����գA�$�P�Y=����f�YYER���b@V����v�y���b�0���1m�T��!Q��!��w:�F}֛�����CMM�v�vf�*=��9��*�T�9�#נRRil��!n�\(��RU)T�������Ysn#R�u��4�h���� 4 0 obj MATERIAL PROPERTY CHARTS 5 0 obj 774 endobj endobj /ModDate (D:20080304111350) %PDF-1.5 %���� h�b```�-�\��@��(�������ue�����s`�3s�z��N��rQ�;��}�Ѽ����������bpqz��3022�X����;�߁���)�,�~+�>`a���v��� sª��9�Mᇘ�����H3q+s0�$i0����nKmDc$@� ��1r The Physical Properties of Materials Acoustical properties endobj endobj /Height 256 200 0 obj <> endobj stream Physical Properties Defined Properties that define the behavior of materials in response to physical forces other than mechanical •Components in a product must do more than simply withstand mechanical stresses •They must conduct electricity (or prevent conduction), allow heat to transfer (or allow its escape), transmit c. Physical Properties. >> endstream /BitsPerComponent 8 Physical characteristics of raw, unprocessed, as well as processed food materials include particle size and shape, particle and bulk density, porosity, and surface area. /Length 5 0 R /F1 9 0 R /F2 10 0 R>> ��O�:��c�0k,�Rf��ƭ��T+ѯQ�v+��~|���Wﯟ3�6���_�z����߼{u�����!������˟o�~v{u{}���>�\������w7�_�����׷7������������~�ӣ�o~����ٿ޾}y�J͇�����zy���!��Wo^�~�ś���t�!��d-_ݼ�֞��gX�߯^]����7/����@�rOo�^�������ׇ����� 3��^��w��@�yw���ͻ�L(u&��o�`?����n'�;m&Cֺ��>y��{�����1D:�~���O��z{\�w|�=��=XѰ�1����- i,= .ށx���Z��������v^�E�o���F����Ɯ�G���N]߂��Eg�h3B�X&B�;|���bM�f�M��zu�R˿��z��{X�c�?����G���u��g��o�i¯��#Lᅧ0%����[����q4��M��M�d;Ń��8X�S)�zh�"^���ǡ�'����X. endstream /Font<< >> endobj << /Type /Page 2.3 Physical Characteristics . G H I I J K L M N N O P Q R S T U V W X X Y Z [ \ ] ] ^ _ ` a b c d !e "e "f "g "h #h #i #j #k #l $l $m $n $o %p %q %r &s. h�bbd```b``6�= ���T~�"���`� ,bf?�?�"W�lai������ �;H2�}���m��G��c���F �7�Ѕ�`��C����� � �2� /Name /Im1 >> (b) Physical properties (density, specific heat, melting and boiling point, thermal expansion and conductivity, electrical and magnetic properties) stream /Producer /Filter /FlateDecode 0 The physical properties of food materials are discussed in 6 main categories such as size, shape, volume and related physical attributes, rheological properties, thermal properties, electromagnetic properties, water activity and sorption properties and surface properties in this book. /ColorSpace [/Indexed /DeviceRGB 255 /Parent 3 0 R /Subtype /Image x���nAEQ������9v�����H��Ȓ����zU}��� 4lF�����.��3[ğ�������?�?�-����?�?�����?� �����^z����? >> In order to understand and synthesize the impact the materials discussed in this course have on individuals and society, you will need a basic understanding of how scientists, engineers, and sociologists describe materials. The variation in shape of a /ProcSet [/PDF /Text /ImageC /ImageI] 259 0 obj <>stream /Filter /FlateDecode Physical and Social Properties of Materials . (1) Co­efficient of Linear Expansion. PHYSICAL AND MECHANICAL PROPERTIES OF MATERIALS Melting temperature 9 Density 10 Young’s modulus 11 Yield stress and tensile strength 12 Fracture toughness 13 Environmental resistance 14 Uniaxial tensile response of selected metals and polymers 15 III. /Width 256

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