Use Hardness in a sentence

1. Hardness definition is - the quality or state of being hard

Hardness, Hard

2. How to use Hardness in a sentence.

How, Hardness

3. Hardness synonyms, Hardness pronunciation, Hardness translation, English dictionary definition of Hardness

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4. Hardness definition, the state or quality of being hard: the Hardness of ice

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5. Hardness: something that is a cause for suffering or special effort especially in the attainment of a goal

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6. Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied (Fig

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7. 8.41).Macroscopic Hardness is generally characterized by strong intermolecular bonds, but the behavior of solid materials under force is complex; therefore, there are different measurements of Hardness: scratch Hardness, indentation Hardness, and rebound Hardness.

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8. Hardness is important from an engineering standpoint because resistance to wear by either friction or erosion by steam, oil, and water generally increases with Hardness

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9. There are three main types of Hardness measurements: Scratch Hardness

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10. Scratch Hardness is the measure of how resistant a sample is to permanent plastic deformation due to

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11. Hardness is the resistance of a material to localized deformation

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12. For elastomers and some polymers, Hardness is defined at the resistance to elastic

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13. Hardness is a property of water that is not a health concern, but it can be a nuisance

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14. 178 rows · The Mohs Hardness scale measures a mineral's resistance to scratching

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15. 13 rows · Hardness

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16. Hardness (H) is the resistance of a mineral to scratching

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17. The Hardness of a material is defined as its ability to withstand localized permanent deformation, typically by indentation

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18. Hardness may also be used to describe a material’s resistance to deformation due to other actions, such as:

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19. See also: Hardness scale , number

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20. Difficulty to be executed or accomplished as the Hardness of an enterprise

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21. The Rockwell Hardness number is not the same as the calculated depth differential measurement

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22. The Rockwell Hardness scale number appears inverse to the depth differential calculation.

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23. Hardness describes the resistance that a material exhibits to permanent indentation or marking by scratches

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24. Hardness is not a material property, rather a value ascribed to a material as a result of empirical testing

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25. There are six main Hardness tests that can be carried out: Vickers, Rockwell, Brinell, Mohs, Shore and Knoop.

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26. What is Mohs Hardness Scale? One of the most important tests for identifying mineral specimens is the Mohs Hardness Test

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27. This test compares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scale (see table at left)

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28. The test is useful because most specimens of a given mineral are very close to the same Hardness.

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29. Hardness and microHardness are some of the most important parameters describing the tribological characteristics of a material

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30. For example, Hardness is of critical

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31. Hardness Conversion & Alloy Charts

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32. Approximate Hardness conversion for non-austenitic steels.* BRINELL ROCKWELL VICKERS KNOOP (1kg load max) Ultimate Tensile Strength (ksi) Indentation Dia

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33. Hardness refers to the ability of a material to resist local deformation, especially plastic deformation, indentations or scratches

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34. It is an indicator of the Hardness of the material.

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35. Rockwell Hardness test is the most commonly used method for indentation Hardness measurements

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36. The value of Rockwell Hardness is accompanied by the scale used

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37. This Hardness scale gives information on the type of indenter-load combination used.

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38. Hardness is a characteristic of a material, not a fundamental physical property

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39. See also: Hardness scale, number

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40. The pencil Hardness test is perhaps the most simple form of Hardness test

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41. Pencils are pushed into the sample and the coating Hardness is identified by the trace generated

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42. There are two scales to grade the Hardness of a pencil's graphite core

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43. Hardness range to use, you must collect data on the Hardness of your receiving water(s)

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44. Once the site-specific Hardness data have been collected, the corresponding benchmark value for each metal is determined by comparing where the Hardness data fall within Hardness ranges, as shown in Table 1.

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45. Hard water (or water Hardness) is a common quality of water which contains dissolved compounds of calcium and magnesium and, sometimes, other divalent and trivalent metallic elements

Hard, Hardness

46. The term Hardness was originally applied to waters that were hard to wash in, referring to the soap wasting properties of hard water.

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47. Understanding water Hardness is essential when purchasing a water softener, but it’s also an exciting thing to know about your home (or your future home), as water Hardness can impact appliance life

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48. Luckily for us calculating your water softener Hardness number …

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49. The Mohs Hardness of a mineral is determined by observing whether its surface is scratched by a substance of known or defined Hardness

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50. To give numerical values to this physical property, minerals are ranked along the Mohs scale, which is composed of 10 minerals that have been given arbitrary Hardness …

Have, Hardness

51. Brinell Hardness: Rockwell Hardness: Tensile Strength: A Scale: B Scale: C Scale: 3000KG Ball: 60KG: 100KG: 150KG (Approx.) 400: 72.0 – 43.1

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52. The Mohs Hardness Scale is used as a convenient way to help identify minerals

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53. A mineral's Hardness is a measure of its relative resistance to scratching, measured by scratching the mineral against another substance of known Hardness on the Mohs Hardness Scale.

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54. Determine the relative Hardness of resins, film, lacquer, and paint by testing their resistance to scratches by graphite pencils

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55. The pencils are calibrated to specific lead grades for Hardness

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56. The lowest Hardness value of the pencil that mars the material is the material’s relative Hardness

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57. Metal Hardness is a characteristic that determines the surface wear and abrasive resistance

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58. The ability of a material to resist denting from impact is related to Hardness as well as a material’s ductility

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59. Various degrees of Hardness may be achieved in many metals by tempering, a heat treatment process used in cold rolled and cold worked metals.

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60. Thus, if you need a rubber or O-ring durometer that feels like a running shoe sole, review our rubber Hardness chart below, then pick Shore 70A

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61. A rubber durometer of Shore 70A is the most commonly chosen material Hardness for all applications

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62. VTSYIQI Leeb Hardness Tester Meter 170 to 960 HLD Metals Durometer Tester HL HB HRB HRC HRA HV HS with Standard D Type Impact Device D Test Block for Aluminum Steel Iron Bronze Copper 10 Materials

Hardness, Hld, Hl, Hb, Hrb, Hrc, Hra, Hv, Hs

63. As the most PROFESSIONAL Hardness conversion App in the world, "Hardness Converter" by TX Testing Instruments features: 28 Hardness scales, 34 Hardness conversion tables, 24 applicable materials

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64. "Hardness Converter" by TX provides conversion from or to these scales: Brinell Hardness (HB), Vickers Hardness (HV), Rockwell Hardness (HRC etc.), Rockwell superficial Hardness (HR15N …

Hardness, Hb, Hv, Hrc

65. Hardness can be quantified by instrumental analysis

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66. The total water Hardness is the sum of the molar concentrations of Ca 2+ and Mg 2+, in mol/L or mmol/L units

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67. Although water Hardness usually measures only the total concentrations of calcium and magnesium

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68. 42432: Hardness 1 Buffer Solution, 100 mL MDB: Solution: 0 - 25,000 mg/L CaCO 3: 8226 ManVer Buret Titration $19.15: Add to Cart Add to Quote

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69. This form of Hardness results from the occurrence of dissolved calcium and sodium bicarbonates in the water

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70. You can remove this water Hardness by tossing in some lime or calcium hydroxide (lime softening)

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71. Permanent Hardness of Water; Unlike the type mentioned above, this Hardness requires special treatment due to its sulfate and chloride ions.

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72. The lowest Hardness value of the pencil that mars the material is the material’s relative Hardness

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73. Master Bond Hardness testing is based on ASTM D 2240

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74. Commonly used Hardness scales are A and D

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75. In order to measure the Hardness, the sample is first placed on a flat surface, and the indenter is pressed into the sample.

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76. The Hardness of an attribute defines how difficult the block is to break with hands or tools

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77. The higher the Hardness value is, the more difficult the block is to break

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78. Most common blocks are fairly easy to break, having no more than 5 Hardness at the most

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79. More resilient blocks such as obsidian will have Hardness values that are significantly higher than this

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80. The Hardness minerals combine with some elements to form insoluble salts, making them difficult to remove

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81. Soil on clothes can introduce even more Hardness minerals into the wash water

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82. Hardness definition: the quality or condition of being hard Meaning, pronunciation, translations and examples

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83. Alkalinity and water Hardness are fairly similar--essentially they both come from sources in nature

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84. When limestone and dolomite dissolve in water, one half of the molecule is calcium or magnesium (the "Hardness") and the other half is the carbonate

Half, Hardness

85. Based on the idea that the Hardness of covalent crystal is intrinsic and equivalent to the sum of the resistance to the indenter of each bond per unit area, a semiempirical method for the evaluation of Hardness of multicomponent crystals is presented

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86. Hardness measurement can be defined as macro-, micro- or nano- scale according to the forces applied and displacements obtained

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87. Measurement of the macro-Hardness of materials is a quick and simple method of obtaining mechanical property data for the bulk material from a …

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