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A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates
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| Zeitschriftentitel: | Review of Scientific Instruments |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Review of Scientific Instruments, 24, 1953, 3, S. 196-202 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. |
|---|---|
| author |
Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. |
| spellingShingle |
Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. Review of Scientific Instruments A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates Instrumentation |
| author_sort |
bartholomew, e. l. |
| spelling |
Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. 0034-6748 1089-7623 AIP Publishing Instrumentation http://dx.doi.org/10.1063/1.1770662 <jats:p>The stress required for the plastic deformation of a metal at elevated temperatures depends on both temperature and strain rate. In order to determine mechanical properties at high temperatures, both these quantities must be known and controlled. Otherwise stress cannot be expressed as a unique function of strain. The machine described in this paper performs short time tensile tests at constant temperature and constant true strain rate. It automatically measures and controls the minimum diameter of a cylindrical specimen which is pulled in a constant temperature furnace. A cam drive establishes the required exponential variation of diameter with time, and, by means of an optical comparator and error-operated servo, the testing machine pulls the specimen at the required rate. Load is determined by measuring the deflection of weigh-bars in series with the specimen. Since true strain increases linearly with time, a true stress, true strain curve can be plotted from yield to fracture.</jats:p><jats:p>The information obtainable with this machine should be of considerable value in hot-working research, and will complement that available from creep and stress rupture tests.</jats:p> A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates Review of Scientific Instruments |
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10.1063/1.1770662 |
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Allgemeines Technik |
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DE-Ch1 DE-L229 DE-D275 DE-Bn3 DE-Brt1 DE-D161 DE-Gla1 DE-Zi4 DE-15 DE-Pl11 DE-Rs1 DE-105 DE-14 |
| imprint |
AIP Publishing, 1953 |
| imprint_str_mv |
AIP Publishing, 1953 |
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0034-6748 1089-7623 |
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1953 |
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AIP Publishing |
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ai |
| series |
Review of Scientific Instruments |
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49 |
| title |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_unstemmed |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_full |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_fullStr |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_full_unstemmed |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_short |
A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_sort |
a machine for tensile testing at controlled temperatures and constant true strain rates |
| topic |
Instrumentation |
| url |
http://dx.doi.org/10.1063/1.1770662 |
| publishDate |
1953 |
| physical |
196-202 |
| description |
<jats:p>The stress required for the plastic deformation of a metal at elevated temperatures depends on both temperature and strain rate. In order to determine mechanical properties at high temperatures, both these quantities must be known and controlled. Otherwise stress cannot be expressed as a unique function of strain. The machine described in this paper performs short time tensile tests at constant temperature and constant true strain rate. It automatically measures and controls the minimum diameter of a cylindrical specimen which is pulled in a constant temperature furnace. A cam drive establishes the required exponential variation of diameter with time, and, by means of an optical comparator and error-operated servo, the testing machine pulls the specimen at the required rate. Load is determined by measuring the deflection of weigh-bars in series with the specimen. Since true strain increases linearly with time, a true stress, true strain curve can be plotted from yield to fracture.</jats:p><jats:p>The information obtainable with this machine should be of considerable value in hot-working research, and will complement that available from creep and stress rupture tests.</jats:p> |
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Review of Scientific Instruments |
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| author | Bartholomew, E. L., Krystyan, K. J., Millar, D. A. J., Wulff, J. |
| author_facet | Bartholomew, E. L., Krystyan, K. J., Millar, D. A. J., Wulff, J., Bartholomew, E. L., Krystyan, K. J., Millar, D. A. J., Wulff, J. |
| author_sort | bartholomew, e. l. |
| container_issue | 3 |
| container_start_page | 196 |
| container_title | Review of Scientific Instruments |
| container_volume | 24 |
| description | <jats:p>The stress required for the plastic deformation of a metal at elevated temperatures depends on both temperature and strain rate. In order to determine mechanical properties at high temperatures, both these quantities must be known and controlled. Otherwise stress cannot be expressed as a unique function of strain. The machine described in this paper performs short time tensile tests at constant temperature and constant true strain rate. It automatically measures and controls the minimum diameter of a cylindrical specimen which is pulled in a constant temperature furnace. A cam drive establishes the required exponential variation of diameter with time, and, by means of an optical comparator and error-operated servo, the testing machine pulls the specimen at the required rate. Load is determined by measuring the deflection of weigh-bars in series with the specimen. Since true strain increases linearly with time, a true stress, true strain curve can be plotted from yield to fracture.</jats:p><jats:p>The information obtainable with this machine should be of considerable value in hot-working research, and will complement that available from creep and stress rupture tests.</jats:p> |
| doi_str_mv | 10.1063/1.1770662 |
| facet_avail | Online |
| finc_class_facet | Allgemeines, Technik |
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| id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjE3NzA2NjI |
| imprint | AIP Publishing, 1953 |
| imprint_str_mv | AIP Publishing, 1953 |
| institution | DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14 |
| issn | 0034-6748, 1089-7623 |
| issn_str_mv | 0034-6748, 1089-7623 |
| language | English |
| last_indexed | 2024-03-01T17:05:01.86Z |
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| physical | 196-202 |
| publishDate | 1953 |
| publishDateSort | 1953 |
| publisher | AIP Publishing |
| record_format | ai |
| recordtype | ai |
| series | Review of Scientific Instruments |
| source_id | 49 |
| spelling | Bartholomew, E. L. Krystyan, K. J. Millar, D. A. J. Wulff, J. 0034-6748 1089-7623 AIP Publishing Instrumentation http://dx.doi.org/10.1063/1.1770662 <jats:p>The stress required for the plastic deformation of a metal at elevated temperatures depends on both temperature and strain rate. In order to determine mechanical properties at high temperatures, both these quantities must be known and controlled. Otherwise stress cannot be expressed as a unique function of strain. The machine described in this paper performs short time tensile tests at constant temperature and constant true strain rate. It automatically measures and controls the minimum diameter of a cylindrical specimen which is pulled in a constant temperature furnace. A cam drive establishes the required exponential variation of diameter with time, and, by means of an optical comparator and error-operated servo, the testing machine pulls the specimen at the required rate. Load is determined by measuring the deflection of weigh-bars in series with the specimen. Since true strain increases linearly with time, a true stress, true strain curve can be plotted from yield to fracture.</jats:p><jats:p>The information obtainable with this machine should be of considerable value in hot-working research, and will complement that available from creep and stress rupture tests.</jats:p> A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates Review of Scientific Instruments |
| spellingShingle | Bartholomew, E. L., Krystyan, K. J., Millar, D. A. J., Wulff, J., Review of Scientific Instruments, A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates, Instrumentation |
| title | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_full | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_fullStr | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_full_unstemmed | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_short | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| title_sort | a machine for tensile testing at controlled temperatures and constant true strain rates |
| title_unstemmed | A Machine for Tensile Testing at Controlled Temperatures and Constant True Strain Rates |
| topic | Instrumentation |
| url | http://dx.doi.org/10.1063/1.1770662 |