Ontology type: schema:ScholarlyArticle
1984-12
AUTHORS ABSTRACTConditions for the formation of macroscopic segregation channels have been examined in the ammonium chloride-water and lead-tin systems, using base chilled molds. Such channels develop when the rejected solute is less dense than the solvent and are therefore a result of density inversion, but slow (≺5 rpm) rates of mold rotation, about axes inclined to the vertical by 20 deg to 30 deg, throughout the time of solidification, effectively prevent the formation or propagation of these channels. Artificially created channels or those momentarily blocked fail to continue and are overgrown, but channels can be initiated by drawing liquid upward from close to the growth front in fine capillaries. Examination of these effects leads to the conclusion that channels originate at the growth front, rather than within the dendritic array, and that their formation is necessarily preceded by a liquid perturbation from the less dense boundary layer into the supernatant, quiescent bulk liquid. Intermittent ‘solute fingers’ are then fed by dendritic entrainment to produce stable convective plumes and concomitant channels. It is considered that the effects of mold precession are primarily caused by translation of bulk liquid across the dendritic growth front, shearing off convective perturbations from the boundary layer before they have time to develop. The nature of the liquid movements is discussed and shown to be a function of the mold dimensions. The inclination of the gravitational vector within the solid-liquid, dendritic array is considered to be of secondary importance to the formation or prevention of channels. More... »
PAGES2163-2173
http://scigraph.springernature.com/pub.10.1007/bf02647099
DOIhttp://dx.doi.org/10.1007/bf02647099
DIMENSIONShttps://app.dimensions.ai/details/publication/pub.1023843959
JSON-LD is the canonical representation for SciGraph data.
TIP: You can open this SciGraph record using an external JSON-LD service: JSON-LD Playground Google SDTT
[
{
"@context": "https://springernature.github.io/scigraph/jsonld/sgcontext.json",
"about": [
{
"id": "http://purl.org/au-research/vocabulary/anzsrc-for/2008/09",
"inDefinedTermSet": "http://purl.org/au-research/vocabulary/anzsrc-for/2008/",
"name": "Engineering",
"type": "DefinedTerm"
},
{
"id": "http://purl.org/au-research/vocabulary/anzsrc-for/2008/0912",
"inDefinedTermSet": "http://purl.org/au-research/vocabulary/anzsrc-for/2008/",
"name": "Materials Engineering",
"type": "DefinedTerm"
}
],
"author": [
{
"affiliation": {
"alternateName": "Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI",
"id": "http://www.grid.ac/institutes/grid.259979.9",
"name": [
"Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI"
],
"type": "Organization"
},
"familyName": "Sample",
"givenName": "A. K.",
"id": "sg:person.012047564727.28",
"sameAs": [
"https://app.dimensions.ai/discover/publication?and_facet_researcher=ur.012047564727.28"
],
"type": "Person"
},
{
"affiliation": {
"alternateName": "Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI",
"id": "http://www.grid.ac/institutes/grid.259979.9",
"name": [
"Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI"
],
"type": "Organization"
},
"familyName": "Hellawell",
"givenName": "A.",
"id": "sg:person.0671615120.35",
"sameAs": [
"https://app.dimensions.ai/discover/publication?and_facet_researcher=ur.0671615120.35"
],
"type": "Person"
}
],
"citation": [
{
"id": "sg:pub.10.1007/bf02642039",
"sameAs": [
"https://app.dimensions.ai/details/publication/pub.1003032470",
"https://doi.org/10.1007/bf02642039"
],
"type": "CreativeWork"
},
{
"id": "sg:pub.10.1007/bf02667766",
"sameAs": [
"https://app.dimensions.ai/details/publication/pub.1018680889",
"https://doi.org/10.1007/bf02667766"
],
"type": "CreativeWork"
},
{
"id": "sg:pub.10.1007/bf02643435",
"sameAs": [
"https://app.dimensions.ai/details/publication/pub.1027277476",
"https://doi.org/10.1007/bf02643435"
],
"type": "CreativeWork"
},
{
"id": "sg:pub.10.1007/bf03257222",
"sameAs": [
"https://app.dimensions.ai/details/publication/pub.1041784569",
"https://doi.org/10.1007/bf03257222"
],
"type": "CreativeWork"
},
{
"id": "sg:pub.10.1007/bf02900233",
"sameAs": [
"https://app.dimensions.ai/details/publication/pub.1085170701",
"https://doi.org/10.1007/bf02900233"
],
"type": "CreativeWork"
}
],
"datePublished": "1984-12",
"datePublishedReg": "1984-12-01",
"description": "Conditions for the formation of macroscopic segregation channels have been examined in the ammonium chloride-water and lead-tin systems, using base chilled molds. Such channels develop when the rejected solute is less dense than the solvent and are therefore a result of density inversion, but slow (\u227a5 rpm) rates of mold rotation, about axes inclined to the vertical by 20 deg to 30 deg, throughout the time of solidification, effectively prevent the formation or propagation of these channels. Artificially created channels or those momentarily blocked fail to continue and are overgrown, but channels can be initiated by drawing liquid upward from close to the growth front in fine capillaries. Examination of these effects leads to the conclusion that channels originate at the growth front, rather than within the dendritic array, and that their formation is necessarily preceded by a liquid perturbation from the less dense boundary layer into the supernatant, quiescent bulk liquid. Intermittent \u2018solute fingers\u2019 are then fed by dendritic entrainment to produce stable convective plumes and concomitant channels. It is considered that the effects of mold precession are primarily caused by translation of bulk liquid across the dendritic growth front, shearing off convective perturbations from the boundary layer before they have time to develop. The nature of the liquid movements is discussed and shown to be a function of the mold dimensions. The inclination of the gravitational vector within the solid-liquid, dendritic array is considered to be of secondary importance to the formation or prevention of channels.",
"genre": "article",
"id": "sg:pub.10.1007/bf02647099",
"isAccessibleForFree": false,
"isPartOf": [
{
"id": "sg:journal.1136292",
"issn": [
"1073-5623",
"1543-1940"
],
"name": "Metallurgical and Materials Transactions A",
"publisher": "Springer Nature",
"type": "Periodical"
},
{
"issueNumber": "12",
"type": "PublicationIssue"
},
{
"type": "PublicationVolume",
"volumeNumber": "15"
}
],
"keywords": [
"boundary layer",
"bulk liquid",
"dendritic growth front",
"growth front",
"time of solidification",
"lead-tin system",
"dense boundary layer",
"mold dimensions",
"mold rotation",
"alloy solidification",
"dendritic arrays",
"convective plumes",
"liquid movement",
"density inversion",
"liquid perturbation",
"segregation channels",
"channel segregation",
"solidification",
"fine capillaries",
"liquid",
"layer",
"convective perturbations",
"gravitational vector",
"front",
"mechanism of formation",
"array",
"mold",
"entrainment",
"channels",
"plume",
"propagation",
"formation",
"such channels",
"secondary importance",
"deg",
"perturbations",
"solutes",
"inversion",
"inclination",
"solvent",
"conditions",
"time",
"effect",
"system",
"segregation",
"rotation",
"ammonium",
"results",
"axes",
"precession",
"slower rate",
"capillaries",
"dimensions",
"rate",
"base",
"finger",
"mechanism",
"vector",
"movement",
"nature",
"function",
"importance",
"conclusion",
"translation",
"examination",
"prevention",
"supernatant"
],
"name": "The mechanisms of formation and prevention of channel segregation during alloy solidification",
"pagination": "2163-2173",
"productId": [
{
"name": "dimensions_id",
"type": "PropertyValue",
"value": [
"pub.1023843959"
]
},
{
"name": "doi",
"type": "PropertyValue",
"value": [
"10.1007/bf02647099"
]
}
],
"sameAs": [
"https://doi.org/10.1007/bf02647099",
"https://app.dimensions.ai/details/publication/pub.1023843959"
],
"sdDataset": "articles",
"sdDatePublished": "2022-08-04T16:50",
"sdLicense": "https://scigraph.springernature.com/explorer/license/",
"sdPublisher": {
"name": "Springer Nature - SN SciGraph project",
"type": "Organization"
},
"sdSource": "s3://com-springernature-scigraph/baseset/20220804/entities/gbq_results/article/article_175.jsonl",
"type": "ScholarlyArticle",
"url": "https://doi.org/10.1007/bf02647099"
}
]
Download the RDF metadata as: json-ld nt turtle xml License info
JSON-LD is a popular format for linked data which is fully compatible with JSON.
curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1007/bf02647099'
N-Triples is a line-based linked data format ideal for batch operations.
curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/bf02647099'
Turtle is a human-readable linked data format.
curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/bf02647099'
RDF/XML is a standard XML format for linked data.
curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/bf02647099'
This table displays all metadata directly associated to this object as RDF triples.
151 TRIPLES
21 PREDICATES
97 URIs
84 LITERALS
6 BLANK NODES
Subject | Predicate | Object | |
---|---|---|---|
1 | sg:pub.10.1007/bf02647099 | schema:about | anzsrc-for:09 |
2 | ″ | ″ | anzsrc-for:0912 |
3 | ″ | schema:author | Nc4b321a96ec840f5a37f9e7f9f19fc82 |
4 | ″ | schema:citation | sg:pub.10.1007/bf02642039 |
5 | ″ | ″ | sg:pub.10.1007/bf02643435 |
6 | ″ | ″ | sg:pub.10.1007/bf02667766 |
7 | ″ | ″ | sg:pub.10.1007/bf02900233 |
8 | ″ | ″ | sg:pub.10.1007/bf03257222 |
9 | ″ | schema:datePublished | 1984-12 |
10 | ″ | schema:datePublishedReg | 1984-12-01 |
11 | ″ | schema:description | Conditions for the formation of macroscopic segregation channels have been examined in the ammonium chloride-water and lead-tin systems, using base chilled molds. Such channels develop when the rejected solute is less dense than the solvent and are therefore a result of density inversion, but slow (≺5 rpm) rates of mold rotation, about axes inclined to the vertical by 20 deg to 30 deg, throughout the time of solidification, effectively prevent the formation or propagation of these channels. Artificially created channels or those momentarily blocked fail to continue and are overgrown, but channels can be initiated by drawing liquid upward from close to the growth front in fine capillaries. Examination of these effects leads to the conclusion that channels originate at the growth front, rather than within the dendritic array, and that their formation is necessarily preceded by a liquid perturbation from the less dense boundary layer into the supernatant, quiescent bulk liquid. Intermittent ‘solute fingers’ are then fed by dendritic entrainment to produce stable convective plumes and concomitant channels. It is considered that the effects of mold precession are primarily caused by translation of bulk liquid across the dendritic growth front, shearing off convective perturbations from the boundary layer before they have time to develop. The nature of the liquid movements is discussed and shown to be a function of the mold dimensions. The inclination of the gravitational vector within the solid-liquid, dendritic array is considered to be of secondary importance to the formation or prevention of channels. |
12 | ″ | schema:genre | article |
13 | ″ | schema:isAccessibleForFree | false |
14 | ″ | schema:isPartOf | N32c023bcb14a4334bf90742859720a4f |
15 | ″ | ″ | N54194ebc2496403986628ed22135d31e |
16 | ″ | ″ | sg:journal.1136292 |
17 | ″ | schema:keywords | alloy solidification |
18 | ″ | ″ | ammonium |
19 | ″ | ″ | array |
20 | ″ | ″ | axes |
21 | ″ | ″ | base |
22 | ″ | ″ | boundary layer |
23 | ″ | ″ | bulk liquid |
24 | ″ | ″ | capillaries |
25 | ″ | ″ | channel segregation |
26 | ″ | ″ | channels |
27 | ″ | ″ | conclusion |
28 | ″ | ″ | conditions |
29 | ″ | ″ | convective perturbations |
30 | ″ | ″ | convective plumes |
31 | ″ | ″ | deg |
32 | ″ | ″ | dendritic arrays |
33 | ″ | ″ | dendritic growth front |
34 | ″ | ″ | dense boundary layer |
35 | ″ | ″ | density inversion |
36 | ″ | ″ | dimensions |
37 | ″ | ″ | effect |
38 | ″ | ″ | entrainment |
39 | ″ | ″ | examination |
40 | ″ | ″ | fine capillaries |
41 | ″ | ″ | finger |
42 | ″ | ″ | formation |
43 | ″ | ″ | front |
44 | ″ | ″ | function |
45 | ″ | ″ | gravitational vector |
46 | ″ | ″ | growth front |
47 | ″ | ″ | importance |
48 | ″ | ″ | inclination |
49 | ″ | ″ | inversion |
50 | ″ | ″ | layer |
51 | ″ | ″ | lead-tin system |
52 | ″ | ″ | liquid |
53 | ″ | ″ | liquid movement |
54 | ″ | ″ | liquid perturbation |
55 | ″ | ″ | mechanism |
56 | ″ | ″ | mechanism of formation |
57 | ″ | ″ | mold |
58 | ″ | ″ | mold dimensions |
59 | ″ | ″ | mold rotation |
60 | ″ | ″ | movement |
61 | ″ | ″ | nature |
62 | ″ | ″ | perturbations |
63 | ″ | ″ | plume |
64 | ″ | ″ | precession |
65 | ″ | ″ | prevention |
66 | ″ | ″ | propagation |
67 | ″ | ″ | rate |
68 | ″ | ″ | results |
69 | ″ | ″ | rotation |
70 | ″ | ″ | secondary importance |
71 | ″ | ″ | segregation |
72 | ″ | ″ | segregation channels |
73 | ″ | ″ | slower rate |
74 | ″ | ″ | solidification |
75 | ″ | ″ | solutes |
76 | ″ | ″ | solvent |
77 | ″ | ″ | such channels |
78 | ″ | ″ | supernatant |
79 | ″ | ″ | system |
80 | ″ | ″ | time |
81 | ″ | ″ | time of solidification |
82 | ″ | ″ | translation |
83 | ″ | ″ | vector |
84 | ″ | schema:name | The mechanisms of formation and prevention of channel segregation during alloy solidification |
85 | ″ | schema:pagination | 2163-2173 |
86 | ″ | schema:productId | N98f994984b40462aa53fa14ff6af8555 |
87 | ″ | ″ | Na7a6b2f4a25a4ef4a42cbae687419edd |
88 | ″ | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1023843959 |
89 | ″ | ″ | https://doi.org/10.1007/bf02647099 |
90 | ″ | schema:sdDatePublished | 2022-08-04T16:50 |
91 | ″ | schema:sdLicense | https://scigraph.springernature.com/explorer/license/ |
92 | ″ | schema:sdPublisher | N409ae5ad02b546d89d9d17465336b58f |
93 | ″ | schema:url | https://doi.org/10.1007/bf02647099 |
94 | ″ | sgo:license | sg:explorer/license/ |
95 | ″ | sgo:sdDataset | articles |
96 | ″ | rdf:type | schema:ScholarlyArticle |
97 | N32c023bcb14a4334bf90742859720a4f | schema:issueNumber | 12 |
98 | ″ | rdf:type | schema:PublicationIssue |
99 | N409ae5ad02b546d89d9d17465336b58f | schema:name | Springer Nature - SN SciGraph project |
100 | ″ | rdf:type | schema:Organization |
101 | N54194ebc2496403986628ed22135d31e | schema:volumeNumber | 15 |
102 | ″ | rdf:type | schema:PublicationVolume |
103 | N98f994984b40462aa53fa14ff6af8555 | schema:name | doi |
104 | ″ | schema:value | 10.1007/bf02647099 |
105 | ″ | rdf:type | schema:PropertyValue |
106 | Na7a6b2f4a25a4ef4a42cbae687419edd | schema:name | dimensions_id |
107 | ″ | schema:value | pub.1023843959 |
108 | ″ | rdf:type | schema:PropertyValue |
109 | Nc4b321a96ec840f5a37f9e7f9f19fc82 | rdf:first | sg:person.012047564727.28 |
110 | ″ | rdf:rest | Ne7a76d90174545f89a40a03f9c173b9b |
111 | Ne7a76d90174545f89a40a03f9c173b9b | rdf:first | sg:person.0671615120.35 |
112 | ″ | rdf:rest | rdf:nil |
113 | anzsrc-for:09 | schema:inDefinedTermSet | anzsrc-for: |
114 | ″ | schema:name | Engineering |
115 | ″ | rdf:type | schema:DefinedTerm |
116 | anzsrc-for:0912 | schema:inDefinedTermSet | anzsrc-for: |
117 | ″ | schema:name | Materials Engineering |
118 | ″ | rdf:type | schema:DefinedTerm |
119 | sg:journal.1136292 | schema:issn | 1073-5623 |
120 | ″ | ″ | 1543-1940 |
121 | ″ | schema:name | Metallurgical and Materials Transactions A |
122 | ″ | schema:publisher | Springer Nature |
123 | ″ | rdf:type | schema:Periodical |
124 | sg:person.012047564727.28 | schema:affiliation | grid-institutes:grid.259979.9 |
125 | ″ | schema:familyName | Sample |
126 | ″ | schema:givenName | A. K. |
127 | ″ | schema:sameAs | https://app.dimensions.ai/discover/publication?and_facet_researcher=ur.012047564727.28 |
128 | ″ | rdf:type | schema:Person |
129 | sg:person.0671615120.35 | schema:affiliation | grid-institutes:grid.259979.9 |
130 | ″ | schema:familyName | Hellawell |
131 | ″ | schema:givenName | A. |
132 | ″ | schema:sameAs | https://app.dimensions.ai/discover/publication?and_facet_researcher=ur.0671615120.35 |
133 | ″ | rdf:type | schema:Person |
134 | sg:pub.10.1007/bf02642039 | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1003032470 |
135 | ″ | ″ | https://doi.org/10.1007/bf02642039 |
136 | ″ | rdf:type | schema:CreativeWork |
137 | sg:pub.10.1007/bf02643435 | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1027277476 |
138 | ″ | ″ | https://doi.org/10.1007/bf02643435 |
139 | ″ | rdf:type | schema:CreativeWork |
140 | sg:pub.10.1007/bf02667766 | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1018680889 |
141 | ″ | ″ | https://doi.org/10.1007/bf02667766 |
142 | ″ | rdf:type | schema:CreativeWork |
143 | sg:pub.10.1007/bf02900233 | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1085170701 |
144 | ″ | ″ | https://doi.org/10.1007/bf02900233 |
145 | ″ | rdf:type | schema:CreativeWork |
146 | sg:pub.10.1007/bf03257222 | schema:sameAs | https://app.dimensions.ai/details/publication/pub.1041784569 |
147 | ″ | ″ | https://doi.org/10.1007/bf03257222 |
148 | ″ | rdf:type | schema:CreativeWork |
149 | grid-institutes:grid.259979.9 | schema:alternateName | Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI |
150 | ″ | schema:name | Department of Metallurgical Engineering, Michigan Technological University, 49931, Houghton, MI |
151 | ″ | rdf:type | schema:Organization |