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<article  article-type="research-article"        dtd-version="1.4">
            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Karaelmas Fen ve Mühendislik Dergisi</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">2146-7277</issn>
                                                                                                        <publisher>
                    <publisher-name>Zonguldak Bülent Ecevit Üniversitesi</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.7212/karaelmasfen.830098</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Engineering</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Mühendislik</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <trans-title-group xml:lang="en">
                                    <trans-title>The Research about the Technological Properties of Nepheline Syenite in Akpınar (Kırşehir) Region</trans-title>
                                </trans-title-group>
                                                                                                                                                                                                <article-title>Akpınar (Kırşehir) Bölgesi Nefelinli Siyenitinin Teknolojik Özelliklerinin Araştırılması</article-title>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0002-8579-078X</contrib-id>
                                                                <name>
                                    <surname>Haner</surname>
                                    <given-names>Serhan</given-names>
                                </name>
                                                                    <aff>AFYON KOCATEPE ÜNİVERSİTESİ, DİNAR UYGULAMALI BİLİMLER YÜKSEKOKULU</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20211215">
                    <day>12</day>
                    <month>15</month>
                    <year>2021</year>
                </pub-date>
                                        <volume>11</volume>
                                        <issue>2</issue>
                                        <fpage>123</fpage>
                                        <lpage>131</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20201123">
                        <day>11</day>
                        <month>23</month>
                        <year>2020</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20210114">
                        <day>01</day>
                        <month>14</month>
                        <year>2021</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 2011, Karaelmas Fen ve Mühendislik Dergisi</copyright-statement>
                    <copyright-year>2011</copyright-year>
                    <copyright-holder>Karaelmas Fen ve Mühendislik Dergisi</copyright-holder>
                </permissions>
            
                                                                                                <trans-abstract xml:lang="en">
                            <p>The largest fields of consumption of nepheline syenite are the glass and ceramic industries. Its not containing free silica, containinghigh alkali and alumina, high melting power, and narrow melting range are ideal characteristics for the glass industry. Its field of use invarious branches of the industry and the largest reserves of this valuable raw material whose quantity is rapidly increasing are found inRussia, Canada, Norway, Brazil, China, and Turkey. Its mining in Turkey is done in the Akpınar region of Kırşehir. Akpınar-Kırşehirregion nepheline syenite is one of the smallest intrusive masses in the Central Anatolian Crystalline Karm dish spread and consistsof alkali plutonic rocks. As a result of nepheline syenite being seen as an expensive raw material other than its being accustomed toin terms of industrialists in Turkey, it is being consumed at low quantities. It has also been seen that scientific studies in an academicsense about this raw material, which has not been shown sufficient interest, are limited. The energy consumption occurring during thereduction of the particle size of the raw materials is related to the crystal structure, physical and mechanical properties of the rock. Inthis study, mineralogical, thermal, physical and mechanical properties and Hardgrove grindability of nepheline syenite in Akpınar-Kırşehir region were investigated. The mineralogical properties of nepheline syenite were determined by X-Ray diffraction (XRD) andthin section studies; The thermal properties were determined by thermogravimetric and differential scanning calorimetry (DSC/TGA)and firing color measurement. Physical properties of unit weight, water absorption rate and porosity values; Among the mechanicalproperties, Schmidt surface hardness, Ultrasonic P wave velocity and uniaxial compressive strength values were determined. In addition,the Bond work index value was calculated from the HGI value.</p></trans-abstract>
                                                                                                                                    <abstract><p>Nefelinli siyenitin en büyük tüketim alanları cam ve seramik sanayileridir. Serbest silis içermemesi, yüksek alkali ve alümina içermesi,yüksek ergitme gücü ve dar erime aralığı, cam endüstrisine ideal uyum gösteren karakteristiklerdir. Endüstrinin çeşitli kollarındakullanım alanı ve miktarı hızla artan bu değerli hammaddenin en büyük rezervleri Rusya, Kanada, Norveç, Brezilya, Çin ve Türkiye’debulunmaktadır. Türkiye’deki madenciliği, Kırşehir ilinin Akpınar bölgesinde yapılmaktadır. Akpınar-Kırşehir yöresi nefelinli siyeniti, İçAnadolu Kristalen Karmaşığı içerisinde yayılım açısından en küçük intrüzif kütlelerden biri olup alkali plütonik kayalardan oluşmaktadır.Türkiye’deki sanayiciler açısından, nefelinli siyenitin alışılmışın dışında pahalı bir hammadde olarak görülmesi sonucunda, tüketimidüşük miktarlarda olmaktadır. Yeterince ilgi gösterilmeyen bu hammadde hakkında akademik anlamdaki bilimsel çalışmaların sınırlıkaldığı da görülmüştür. Hammaddelerin tane boyutunun küçültmesi aşamasında ortaya çıkan enerji tüketimi kayacın kristal yapısı,fiziksel ve mekanik özellikleri ile ilişkilidir. Bu çalışmada, Akpınar-Kırşehir yöresindeki nefelinli siyenitin mineralojik, ısıl, fizikselve mekanik özellikleri ile Hardgrove öğütülebilirlik değeri (HGI: Hardgrove Grindability Index) araştırılmıştır. Nefelinli siyenitinmineralojik özellikleri, X-Işını kırınımı (XRD: X-Ray diffraction) ve ince kesit incelemeleri ile; ısıl özellikleri, termogravimetrik vediferansiyel taramalı kalorimetri (DSC/TGA: thermogravimetric and differential scanning calorimetry) ve pişme rengi ölçümü ilebelirlenmiştir. Fiziksel özelliklerinden, birim hacim ağırlık, su emme oranı ve porozite değerleri; mekanik özelliklerden, Schmidt yüzeysertliği, Ultrasonik P dalga hızı ve tek eksenli basınç dayanımı değerleri belirlenmiştir. Ayrıca HGI değerinden Bond iş indeksi değerihesaplanmıştır.</p></abstract>
                                                            
            
                                                                                        <kwd-group>
                                                    <kwd>Nefelinli siyenit</kwd>
                                                    <kwd>  Kırşehir</kwd>
                                                    <kwd>  Mineralojik</kwd>
                                                    <kwd>  Isıl</kwd>
                                                    <kwd>  Fiziko-Mekanik</kwd>
                                                    <kwd>  Magmatik kayaç</kwd>
                                            </kwd-group>
                            
                                                <kwd-group xml:lang="en">
                                                    <kwd>Physico-mechanical features</kwd>
                                                    <kwd>  Thermal feature</kwd>
                                                    <kwd>  Kırşehir</kwd>
                                                    <kwd>  Mineralogy</kwd>
                                                    <kwd>  Nepheline syenite</kwd>
                                            </kwd-group>
                                                                                                                                    <funding-group specific-use="FundRef">
                    <award-group>
                                                    <funding-source>
                                <named-content content-type="funder_name">TÜBİTAK Maddi Destek Sağlamıştır</named-content>
                            </funding-source>
                                                                            <award-id>118M224</award-id>
                                            </award-group>
                </funding-group>
                                </article-meta>
    </front>
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