{"id":6936,"date":"2021-12-11T13:52:24","date_gmt":"2021-12-11T12:52:24","guid":{"rendered":"https:\/\/www.nickzom.org\/blog\/?p=6936"},"modified":"2024-05-22T14:59:16","modified_gmt":"2024-05-22T13:59:16","slug":"how-to-calculate-and-solve-for-fracture-toughness-on-knoop-indentor-polymer-deformation","status":"publish","type":"post","link":"https:\/\/www.nickzom.org\/blog\/2021\/12\/11\/how-to-calculate-and-solve-for-fracture-toughness-on-knoop-indentor-polymer-deformation\/","title":{"rendered":"How to Calculate and Solve for Fracture Toughness on Knoop Indentor | Polymer Deformation"},"content":{"rendered":"

\"\"<\/p>\n

The image above represents fracture toughness on knoop indentor. To calculate fracture toughness on knoop indentor, five essential parameters are needed and these parameters are Indentor Constant (d), Elastic Modulus, (E), Indentation Hardness Value (H), Load (P) <\/strong>and a.<\/strong><\/p>\n

The formula for calculating fracture toughness on knoop indentor:<\/strong><\/h3>\n

Kc<\/sub> = d(E)(P)<\/sup> \/ H(a)3\/2<\/sup><\/sub><\/p>\n

Where:<\/p>\n

Kc<\/sub> = Fracture Toughness on Knoop Indentor
\nd = Indentor Constant
\nE = Elastic Modulus
\nH = Indentation Hardness Value
\nP = Load
\na<\/p>\n

Let’s solve an example;
\nFind the fracture toughness on knoop indentor when the indentor constant is 2, the elastic modulus is 4, the indentation hardness value is 6, the load is 8 and a is 3.<\/p>\n

This implies that;<\/p>\n

d = Indentor Constant = 2
\nE = Elastic Modulus = 4
\nH = Indentation Hardness Value = 6
\nP = Load = 8
\na = 3<\/p>\n

Kc<\/sub> = d(E)(P)<\/sup> \/ H(a)3\/2<\/sup><\/sub>
\nKc<\/sub> = (2)(4)(8)<\/sup> \/ (6)(3)3\/2<\/sup><\/sub>
\nThat is, Kc<\/sub> = 64<\/sup> \/ (6)(5.196)<\/sub>
\nKc<\/sub> = 64<\/sup> \/ 31.176<\/sub>
\nKc<\/sub> = 2.05<\/p>\n

Therefore, the fracture toughness on knoop indentor <\/strong>is 2.05 J\/m\u00b3.<\/strong><\/p>\n

Read more:\u00a0How to Calculate and Solve for Crack Opening Displacement | Polymer Deformation<\/a><\/p>\n

How to Calculate and Solve for Fracture Toughness on Knoop Indentor | Polymer Deformation<\/strong><\/h3>\n

Nickzom Calculator \u2013\u00a0The Calculator Encyclopedia<\/strong> is capable of calculating the fracture toughness on knoop indentor.<\/p>\n

\n

To get the answer and workings of the fracture toughness on knoop indentor using the Nickzom Calculator \u2013 The Calculator Encyclopedia.\u00a0<\/strong>First, you need to obtain the app.<\/p>\n

You can get this app via any of these means:<\/p>\n

Web<\/strong>\u00a0\u2013\u00a0https:\/\/www.nickzom.org\/calculator-plus<\/a><\/p>\n

To get access to the\u00a0professional\u00a0<\/strong>version via web, you need to\u00a0register<\/strong>\u00a0and\u00a0subscribe <\/strong>to have utter access to all functionalities.
\nYou can also try the\u00a0demo\u00a0<\/strong>version via\u00a0https:\/\/www.nickzom.org\/calculator<\/a><\/p>\n

Android (Paid)<\/strong>\u00a0\u2013\u00a0https:\/\/play.google.com\/store\/apps\/details?id=org.nickzom.nickzomcalculator<\/a>
\nAndroid (Free)<\/strong>\u00a0\u2013\u00a0https:\/\/play.google.com\/store\/apps\/details?id=com.nickzom.nickzomcalculator<\/a><\/p>\n

Apple (Paid)<\/strong>\u00a0\u2013\u00a0https:\/\/itunes.apple.com\/us\/app\/nickzom-calculator\/id1331162702?mt=8<\/a>
\nOnce, you have obtained the calculator encyclopedia app, proceed to the\u00a0Calculator Map,\u00a0<\/strong>then click on\u00a0Materials and Metallurgical\u00a0<\/b>under\u00a0Engineering<\/strong>.<\/strong><\/p>\n<\/div>\n

<\/p>\n

Now, Click on Polymer Deformation <\/b>under\u00a0Materials and Metallurgical<\/strong><\/p>\n

\"\"<\/p>\n

Now, Click on Fracture Toughness on Knoop Indentor<\/strong> under Polymer Deformation
\n<\/strong><\/p>\n

\"\"<\/p>\n

The screenshot below displays the page or activity to enter your values, to get the answer for the fracture toughness on knoop indentor according to the respective parameter which is the Indentor Constant (d), Elastic Modulus, (E), Indentation Hardness Value (H), Load (P) <\/strong>and a.<\/strong><\/p>\n

\"How<\/p>\n

Now, enter the values appropriately and accordingly for the parameters as required by the Indentor Constant (d)<\/strong> is 2<\/strong>, Elastic Modulus, (E)<\/strong> is 4<\/strong>, Indentation Hardness Value (H)<\/strong> is 6<\/strong>, Load (P)<\/strong> is 8 <\/strong>and a<\/strong> is 3<\/strong>.<\/p>\n

\"How<\/p>\n

Finally, Click on Calculate<\/p>\n

\"How
\n\"\"<\/p>\n

As you can see from\u00a0the screenshot above,\u00a0Nickzom Calculator<\/strong>\u2013 The Calculator Encyclopedia solves for the fracture toughness on knoop indentor and presents the formula, workings and steps too.<\/p>\n","protected":false},"excerpt":{"rendered":"The image above represents fracture toughness on knoop indentor. To calculate fracture toughness on knoop indentor, five essential…","protected":false},"author":5,"featured_media":15568,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_lmt_disableupdate":"","_lmt_disable":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_yoast_wpseo_focuskw_text_input":"","csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","footnotes":""},"categories":[47],"tags":[1019,1931,60,1977,1976,1975,239,543,1935],"class_list":["post-6936","post","type-post","status-publish","format-standard","has-post-thumbnail","category-engineering","tag-a","tag-elastic-modulus","tag-engineering","tag-fracture-toughness","tag-indentation-hardness-value","tag-indentor-constant","tag-load","tag-materials-and-metallurgical","tag-polymer-deformation","cs-entry"],"yoast_head":"\nHow to 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